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Finding the Fourth Proportional to 6,718.92, 10,033.10 and 5,488.76

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Solution

The fourth proportional to 6,718.92, 10,033.10 and 5,488.76 is: 8,196.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,718.92 : 10,033.10 = 5,488.76 : x
  2. Step 2: Convert to fraction form
    6,718.92/10,033.10 = 5,488.76/x
  3. Step 3: Cross multiply
    6,718.92x = 10,033.10 × 5,488.76
  4. Step 4: Simplify right side
    6,718.92x = 55,069,277.96
  5. Step 5: Solve for x
    x = 55,069,277.96/6,718.92
  6. Step 6: Final answer
    x = 8,196.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.