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Finding the Fourth Proportional to 4,363.59, 6,542.90 and 2,978.60

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Solution

The fourth proportional to 4,363.59, 6,542.90 and 2,978.60 is: 4,466.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,363.59 : 6,542.90 = 2,978.60 : x
  2. Step 2: Convert to fraction form
    4,363.59/6,542.90 = 2,978.60/x
  3. Step 3: Cross multiply
    4,363.59x = 6,542.90 × 2,978.60
  4. Step 4: Simplify right side
    4,363.59x = 19,488,634.33
  5. Step 5: Solve for x
    x = 19,488,634.33/4,363.59
  6. Step 6: Final answer
    x = 4,466.20

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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.