Home / 4,752.59-7,129.34-1,242.57

Finding the Fourth Proportional to 4,752.59, 7,129.34 and 1,242.57

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Solution

The fourth proportional to 4,752.59, 7,129.34 and 1,242.57 is: 1,863.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,752.59 : 7,129.34 = 1,242.57 : x
  2. Step 2: Convert to fraction form
    4,752.59/7,129.34 = 1,242.57/x
  3. Step 3: Cross multiply
    4,752.59x = 7,129.34 × 1,242.57
  4. Step 4: Simplify right side
    4,752.59x = 8,858,729.19
  5. Step 5: Solve for x
    x = 8,858,729.19/4,752.59
  6. Step 6: Final answer
    x = 1,863.98

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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.