Home / 8,938.95-12,337.17-5,404.11

Finding the Fourth Proportional to 8,938.95, 12,337.17 and 5,404.11

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Solution

The fourth proportional to 8,938.95, 12,337.17 and 5,404.11 is: 7,458.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,938.95 : 12,337.17 = 5,404.11 : x
  2. Step 2: Convert to fraction form
    8,938.95/12,337.17 = 5,404.11/x
  3. Step 3: Cross multiply
    8,938.95x = 12,337.17 × 5,404.11
  4. Step 4: Simplify right side
    8,938.95x = 66,671,423.77
  5. Step 5: Solve for x
    x = 66,671,423.77/8,938.95
  6. Step 6: Final answer
    x = 7,458.53

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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.