Home / 8,132.72-11,223.36-4,987.04

Finding the Fourth Proportional to 8,132.72, 11,223.36 and 4,987.04

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Solution

The fourth proportional to 8,132.72, 11,223.36 and 4,987.04 is: 6,882.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,132.72 : 11,223.36 = 4,987.04 : x
  2. Step 2: Convert to fraction form
    8,132.72/11,223.36 = 4,987.04/x
  3. Step 3: Cross multiply
    8,132.72x = 11,223.36 × 4,987.04
  4. Step 4: Simplify right side
    8,132.72x = 55,971,345.25
  5. Step 5: Solve for x
    x = 55,971,345.25/8,132.72
  6. Step 6: Final answer
    x = 6,882.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.