Home / 7,581.60-11,352.96-5,274.72

Finding the Fourth Proportional to 7,581.60, 11,352.96 and 5,274.72

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Solution

The fourth proportional to 7,581.60, 11,352.96 and 5,274.72 is: 7,898.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,581.60 : 11,352.96 = 5,274.72 : x
  2. Step 2: Convert to fraction form
    7,581.60/11,352.96 = 5,274.72/x
  3. Step 3: Cross multiply
    7,581.60x = 11,352.96 × 5,274.72
  4. Step 4: Simplify right side
    7,581.60x = 59,883,685.17
  5. Step 5: Solve for x
    x = 59,883,685.17/7,581.60
  6. Step 6: Final answer
    x = 7,898.56

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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.