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Finding the Fourth Proportional to 8,610.28, 12,916.34 and 3,064.12

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Solution

The fourth proportional to 8,610.28, 12,916.34 and 3,064.12 is: 4,596.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,610.28 : 12,916.34 = 3,064.12 : x
  2. Step 2: Convert to fraction form
    8,610.28/12,916.34 = 3,064.12/x
  3. Step 3: Cross multiply
    8,610.28x = 12,916.34 × 3,064.12
  4. Step 4: Simplify right side
    8,610.28x = 39,577,215.72
  5. Step 5: Solve for x
    x = 39,577,215.72/8,610.28
  6. Step 6: Final answer
    x = 4,596.51

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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.