Home / 8,541.35-12,821.10-7,560.39

Finding the Fourth Proportional to 8,541.35, 12,821.10 and 7,560.39

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Solution

The fourth proportional to 8,541.35, 12,821.10 and 7,560.39 is: 11,348.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,541.35 : 12,821.10 = 7,560.39 : x
  2. Step 2: Convert to fraction form
    8,541.35/12,821.10 = 7,560.39/x
  3. Step 3: Cross multiply
    8,541.35x = 12,821.10 × 7,560.39
  4. Step 4: Simplify right side
    8,541.35x = 96,932,478.43
  5. Step 5: Solve for x
    x = 96,932,478.43/8,541.35
  6. Step 6: Final answer
    x = 11,348.62

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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.