Home / 8,935.92-12,331.71-5,354.37

Finding the Fourth Proportional to 8,935.92, 12,331.71 and 5,354.37

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Solution

The fourth proportional to 8,935.92, 12,331.71 and 5,354.37 is: 7,389.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,935.92 : 12,331.71 = 5,354.37 : x
  2. Step 2: Convert to fraction form
    8,935.92/12,331.71 = 5,354.37/x
  3. Step 3: Cross multiply
    8,935.92x = 12,331.71 × 5,354.37
  4. Step 4: Simplify right side
    8,935.92x = 66,028,538.07
  5. Step 5: Solve for x
    x = 66,028,538.07/8,935.92
  6. Step 6: Final answer
    x = 7,389.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.