Home / 6,078.13-9,117.20-2,381.45

Finding the Fourth Proportional to 6,078.13, 9,117.20 and 2,381.45

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Solution

The fourth proportional to 6,078.13, 9,117.20 and 2,381.45 is: 3,572.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,078.13 : 9,117.20 = 2,381.45 : x
  2. Step 2: Convert to fraction form
    6,078.13/9,117.20 = 2,381.45/x
  3. Step 3: Cross multiply
    6,078.13x = 9,117.20 × 2,381.45
  4. Step 4: Simplify right side
    6,078.13x = 21,712,155.94
  5. Step 5: Solve for x
    x = 21,712,155.94/6,078.13
  6. Step 6: Final answer
    x = 3,572.18

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Similar ratio
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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.