Home / 9,331.65-13,997.20-3,784.87

Finding the Fourth Proportional to 9,331.65, 13,997.20 and 3,784.87

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Solution

The fourth proportional to 9,331.65, 13,997.20 and 3,784.87 is: 5,677.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,331.65 : 13,997.20 = 3,784.87 : x
  2. Step 2: Convert to fraction form
    9,331.65/13,997.20 = 3,784.87/x
  3. Step 3: Cross multiply
    9,331.65x = 13,997.20 × 3,784.87
  4. Step 4: Simplify right side
    9,331.65x = 52,977,582.36
  5. Step 5: Solve for x
    x = 52,977,582.36/9,331.65
  6. Step 6: Final answer
    x = 5,677.19

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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.