Home / 9,938.92-13,715.96-5,462.78

Finding the Fourth Proportional to 9,938.92, 13,715.96 and 5,462.78

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Solution

The fourth proportional to 9,938.92, 13,715.96 and 5,462.78 is: 7,538.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,938.92 : 13,715.96 = 5,462.78 : x
  2. Step 2: Convert to fraction form
    9,938.92/13,715.96 = 5,462.78/x
  3. Step 3: Cross multiply
    9,938.92x = 13,715.96 × 5,462.78
  4. Step 4: Simplify right side
    9,938.92x = 74,927,271.97
  5. Step 5: Solve for x
    x = 74,927,271.97/9,938.92
  6. Step 6: Final answer
    x = 7,538.77

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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.