Home / 5,613.40-8,419.08-2,841.28

Finding the Fourth Proportional to 5,613.40, 8,419.08 and 2,841.28

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Solution

The fourth proportional to 5,613.40, 8,419.08 and 2,841.28 is: 4,261.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,613.40 : 8,419.08 = 2,841.28 : x
  2. Step 2: Convert to fraction form
    5,613.40/8,419.08 = 2,841.28/x
  3. Step 3: Cross multiply
    5,613.40x = 8,419.08 × 2,841.28
  4. Step 4: Simplify right side
    5,613.40x = 23,920,963.62
  5. Step 5: Solve for x
    x = 23,920,963.62/5,613.40
  6. Step 6: Final answer
    x = 4,261.40

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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.