Home / 4,753.60-7,130.30-1,290.85

Finding the Fourth Proportional to 4,753.60, 7,130.30 and 1,290.85

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Solution

The fourth proportional to 4,753.60, 7,130.30 and 1,290.85 is: 1,936.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,753.60 : 7,130.30 = 1,290.85 : x
  2. Step 2: Convert to fraction form
    4,753.60/7,130.30 = 1,290.85/x
  3. Step 3: Cross multiply
    4,753.60x = 7,130.30 × 1,290.85
  4. Step 4: Simplify right side
    4,753.60x = 9,204,123.48
  5. Step 5: Solve for x
    x = 9,204,123.48/4,753.60
  6. Step 6: Final answer
    x = 1,936.24

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.