Home / 5,272.31-7,909.27-1,761.23

Finding the Fourth Proportional to 5,272.31, 7,909.27 and 1,761.23

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Solution

The fourth proportional to 5,272.31, 7,909.27 and 1,761.23 is: 2,642.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.31 : 7,909.27 = 1,761.23 : x
  2. Step 2: Convert to fraction form
    5,272.31/7,909.27 = 1,761.23/x
  3. Step 3: Cross multiply
    5,272.31x = 7,909.27 × 1,761.23
  4. Step 4: Simplify right side
    5,272.31x = 13,929,999.65
  5. Step 5: Solve for x
    x = 13,929,999.65/5,272.31
  6. Step 6: Final answer
    x = 2,642.11

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1.5x scale

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.