Home / 5,589.94-8,384.91-2,129.62

Finding the Fourth Proportional to 5,589.94, 8,384.91 and 2,129.62

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Solution

The fourth proportional to 5,589.94, 8,384.91 and 2,129.62 is: 3,194.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,589.94 : 8,384.91 = 2,129.62 : x
  2. Step 2: Convert to fraction form
    5,589.94/8,384.91 = 2,129.62/x
  3. Step 3: Cross multiply
    5,589.94x = 8,384.91 × 2,129.62
  4. Step 4: Simplify right side
    5,589.94x = 17,856,672.03
  5. Step 5: Solve for x
    x = 17,856,672.03/5,589.94
  6. Step 6: Final answer
    x = 3,194.43

Related Problems

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Half scale
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Double scale
Find fourth proportional to 5,590.94, 8,386.41 and 2,130.62
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.