Home / 8,316.44-12,474.72-5,711.48

Finding the Fourth Proportional to 8,316.44, 12,474.72 and 5,711.48

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Solution

The fourth proportional to 8,316.44, 12,474.72 and 5,711.48 is: 8,567.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316.44 : 12,474.72 = 5,711.48 : x
  2. Step 2: Convert to fraction form
    8,316.44/12,474.72 = 5,711.48/x
  3. Step 3: Cross multiply
    8,316.44x = 12,474.72 × 5,711.48
  4. Step 4: Simplify right side
    8,316.44x = 71,249,113.79
  5. Step 5: Solve for x
    x = 71,249,113.79/8,316.44
  6. Step 6: Final answer
    x = 8,567.26

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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.