Home / 5,007.74-7,512.05-1,309.95

Finding the Fourth Proportional to 5,007.74, 7,512.05 and 1,309.95

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Solution

The fourth proportional to 5,007.74, 7,512.05 and 1,309.95 is: 1,965.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,007.74 : 7,512.05 = 1,309.95 : x
  2. Step 2: Convert to fraction form
    5,007.74/7,512.05 = 1,309.95/x
  3. Step 3: Cross multiply
    5,007.74x = 7,512.05 × 1,309.95
  4. Step 4: Simplify right side
    5,007.74x = 9,840,403.35
  5. Step 5: Solve for x
    x = 9,840,403.35/5,007.74
  6. Step 6: Final answer
    x = 1,965.04

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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.