Home / 5,007.85-7,512.29-1,720.52

Finding the Fourth Proportional to 5,007.85, 7,512.29 and 1,720.52

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Solution

The fourth proportional to 5,007.85, 7,512.29 and 1,720.52 is: 2,580.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,007.85 : 7,512.29 = 1,720.52 : x
  2. Step 2: Convert to fraction form
    5,007.85/7,512.29 = 1,720.52/x
  3. Step 3: Cross multiply
    5,007.85x = 7,512.29 × 1,720.52
  4. Step 4: Simplify right side
    5,007.85x = 12,925,045.19
  5. Step 5: Solve for x
    x = 12,925,045.19/5,007.85
  6. Step 6: Final answer
    x = 2,580.96

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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.