Home / 8,171.68-11,276.08-4,635.20

Finding the Fourth Proportional to 8,171.68, 11,276.08 and 4,635.20

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Solution

The fourth proportional to 8,171.68, 11,276.08 and 4,635.20 is: 6,396.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,171.68 : 11,276.08 = 4,635.20 : x
  2. Step 2: Convert to fraction form
    8,171.68/11,276.08 = 4,635.20/x
  3. Step 3: Cross multiply
    8,171.68x = 11,276.08 × 4,635.20
  4. Step 4: Simplify right side
    8,171.68x = 52,266,886.02
  5. Step 5: Solve for x
    x = 52,266,886.02/8,171.68
  6. Step 6: Final answer
    x = 6,396.10

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1.5x scale

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.