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Finding the Fourth Proportional to 8,547.08, 12,793.02 and 7,738.76

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Solution

The fourth proportional to 8,547.08, 12,793.02 and 7,738.76 is: 11,583.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,547.08 : 12,793.02 = 7,738.76 : x
  2. Step 2: Convert to fraction form
    8,547.08/12,793.02 = 7,738.76/x
  3. Step 3: Cross multiply
    8,547.08x = 12,793.02 × 7,738.76
  4. Step 4: Simplify right side
    8,547.08x = 99,002,111.46
  5. Step 5: Solve for x
    x = 99,002,111.46/8,547.08
  6. Step 6: Final answer
    x = 11,583.15

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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.