Home / 9,781.75-14,677.08-3,937.20

Finding the Fourth Proportional to 9,781.75, 14,677.08 and 3,937.20

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Solution

The fourth proportional to 9,781.75, 14,677.08 and 3,937.20 is: 5,907.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,781.75 : 14,677.08 = 3,937.20 : x
  2. Step 2: Convert to fraction form
    9,781.75/14,677.08 = 3,937.20/x
  3. Step 3: Cross multiply
    9,781.75x = 14,677.08 × 3,937.20
  4. Step 4: Simplify right side
    9,781.75x = 57,786,599.38
  5. Step 5: Solve for x
    x = 57,786,599.38/9,781.75
  6. Step 6: Final answer
    x = 5,907.59

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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.