Home / 8,947.56-12,360.68-6,602.64

Finding the Fourth Proportional to 8,947.56, 12,360.68 and 6,602.64

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Solution

The fourth proportional to 8,947.56, 12,360.68 and 6,602.64 is: 9,121.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,947.56 : 12,360.68 = 6,602.64 : x
  2. Step 2: Convert to fraction form
    8,947.56/12,360.68 = 6,602.64/x
  3. Step 3: Cross multiply
    8,947.56x = 12,360.68 × 6,602.64
  4. Step 4: Simplify right side
    8,947.56x = 81,613,120.20
  5. Step 5: Solve for x
    x = 81,613,120.20/8,947.56
  6. Step 6: Final answer
    x = 9,121.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.