Home / 5,277.60-7,280.80-3,180.52

Finding the Fourth Proportional to 5,277.60, 7,280.80 and 3,180.52

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Solution

The fourth proportional to 5,277.60, 7,280.80 and 3,180.52 is: 4,387.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,277.60 : 7,280.80 = 3,180.52 : x
  2. Step 2: Convert to fraction form
    5,277.60/7,280.80 = 3,180.52/x
  3. Step 3: Cross multiply
    5,277.60x = 7,280.80 × 3,180.52
  4. Step 4: Simplify right side
    5,277.60x = 23,156,730.02
  5. Step 5: Solve for x
    x = 23,156,730.02/5,277.60
  6. Step 6: Final answer
    x = 4,387.74

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