Home / 7,081.01-9,771.66-3,937.13

Finding the Fourth Proportional to 7,081.01, 9,771.66 and 3,937.13

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Solution

The fourth proportional to 7,081.01, 9,771.66 and 3,937.13 is: 5,433.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,081.01 : 9,771.66 = 3,937.13 : x
  2. Step 2: Convert to fraction form
    7,081.01/9,771.66 = 3,937.13/x
  3. Step 3: Cross multiply
    7,081.01x = 9,771.66 × 3,937.13
  4. Step 4: Simplify right side
    7,081.01x = 38,472,246.88
  5. Step 5: Solve for x
    x = 38,472,246.88/7,081.01
  6. Step 6: Final answer
    x = 5,433.16

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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.