Home / 8,528.04-12,791.46-3,190.20

Finding the Fourth Proportional to 8,528.04, 12,791.46 and 3,190.20

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Solution

The fourth proportional to 8,528.04, 12,791.46 and 3,190.20 is: 4,785.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,528.04 : 12,791.46 = 3,190.20 : x
  2. Step 2: Convert to fraction form
    8,528.04/12,791.46 = 3,190.20/x
  3. Step 3: Cross multiply
    8,528.04x = 12,791.46 × 3,190.20
  4. Step 4: Simplify right side
    8,528.04x = 40,807,330.86
  5. Step 5: Solve for x
    x = 40,807,330.86/8,528.04
  6. Step 6: Final answer
    x = 4,785.08

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Double scale
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Similar ratio
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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.