Home / 6,218.32-9,331.52-5,717.76

Finding the Fourth Proportional to 6,218.32, 9,331.52 and 5,717.76

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Solution

The fourth proportional to 6,218.32, 9,331.52 and 5,717.76 is: 8,580.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,218.32 : 9,331.52 = 5,717.76 : x
  2. Step 2: Convert to fraction form
    6,218.32/9,331.52 = 5,717.76/x
  3. Step 3: Cross multiply
    6,218.32x = 9,331.52 × 5,717.76
  4. Step 4: Simplify right side
    6,218.32x = 53,355,391.80
  5. Step 5: Solve for x
    x = 53,355,391.80/6,218.32
  6. Step 6: Final answer
    x = 8,580.35

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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.