Home / 9,938.85-13,715.58-5,462.88

Finding the Fourth Proportional to 9,938.85, 13,715.58 and 5,462.88

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Solution

The fourth proportional to 9,938.85, 13,715.58 and 5,462.88 is: 7,538.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,938.85 : 13,715.58 = 5,462.88 : x
  2. Step 2: Convert to fraction form
    9,938.85/13,715.58 = 5,462.88/x
  3. Step 3: Cross multiply
    9,938.85x = 13,715.58 × 5,462.88
  4. Step 4: Simplify right side
    9,938.85x = 74,926,567.67
  5. Step 5: Solve for x
    x = 74,926,567.67/9,938.85
  6. Step 6: Final answer
    x = 7,538.76

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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.