Home / 5,272.60-7,276.66-2,915.50

Finding the Fourth Proportional to 5,272.60, 7,276.66 and 2,915.50

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Solution

The fourth proportional to 5,272.60, 7,276.66 and 2,915.50 is: 4,023.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.60 : 7,276.66 = 2,915.50 : x
  2. Step 2: Convert to fraction form
    5,272.60/7,276.66 = 2,915.50/x
  3. Step 3: Cross multiply
    5,272.60x = 7,276.66 × 2,915.50
  4. Step 4: Simplify right side
    5,272.60x = 21,215,102.23
  5. Step 5: Solve for x
    x = 21,215,102.23/5,272.60
  6. Step 6: Final answer
    x = 4,023.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.