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Finding the Fourth Proportional to 8,610.60, 12,916.98 and 2,767.08

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Solution

The fourth proportional to 8,610.60, 12,916.98 and 2,767.08 is: 4,150.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,610.60 : 12,916.98 = 2,767.08 : x
  2. Step 2: Convert to fraction form
    8,610.60/12,916.98 = 2,767.08/x
  3. Step 3: Cross multiply
    8,610.60x = 12,916.98 × 2,767.08
  4. Step 4: Simplify right side
    8,610.60x = 35,742,317.02
  5. Step 5: Solve for x
    x = 35,742,317.02/8,610.60
  6. Step 6: Final answer
    x = 4,150.97

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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.