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Finding the Fourth Proportional to 5,888.55, 8,827.34 and 1,990.23

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Solution

The fourth proportional to 5,888.55, 8,827.34 and 1,990.23 is: 2,983.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,888.55 : 8,827.34 = 1,990.23 : x
  2. Step 2: Convert to fraction form
    5,888.55/8,827.34 = 1,990.23/x
  3. Step 3: Cross multiply
    5,888.55x = 8,827.34 × 1,990.23
  4. Step 4: Simplify right side
    5,888.55x = 17,568,426.94
  5. Step 5: Solve for x
    x = 17,568,426.94/5,888.55
  6. Step 6: Final answer
    x = 2,983.49

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Half scale
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Double scale
Find fourth proportional to 5,889.55, 8,828.83 and 1,991.23
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.