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Finding the Fourth Proportional to 5,880.60, 8,771.54 and 5,403

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Solution

The fourth proportional to 5,880.60, 8,771.54 and 5,403 is: 8,059.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,880.60 : 8,771.54 = 5,403 : x
  2. Step 2: Convert to fraction form
    5,880.60/8,771.54 = 5,403/x
  3. Step 3: Cross multiply
    5,880.60x = 8,771.54 × 5,403
  4. Step 4: Simplify right side
    5,880.60x = 47,392,630.62
  5. Step 5: Solve for x
    x = 47,392,630.62/5,880.60
  6. Step 6: Final answer
    x = 8,059.15

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.