Home / 6,209.23-9,314.48-1,990.99

Finding the Fourth Proportional to 6,209.23, 9,314.48 and 1,990.99

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Solution

The fourth proportional to 6,209.23, 9,314.48 and 1,990.99 is: 2,986.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,209.23 : 9,314.48 = 1,990.99 : x
  2. Step 2: Convert to fraction form
    6,209.23/9,314.48 = 1,990.99/x
  3. Step 3: Cross multiply
    6,209.23x = 9,314.48 × 1,990.99
  4. Step 4: Simplify right side
    6,209.23x = 18,545,036.54
  5. Step 5: Solve for x
    x = 18,545,036.54/6,209.23
  6. Step 6: Final answer
    x = 2,986.69

Related Problems

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Half scale
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Double scale
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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.