Home / 8,132.04-11,221.63-4,728.72

Finding the Fourth Proportional to 8,132.04, 11,221.63 and 4,728.72

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Solution

The fourth proportional to 8,132.04, 11,221.63 and 4,728.72 is: 6,525.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,132.04 : 11,221.63 = 4,728.72 : x
  2. Step 2: Convert to fraction form
    8,132.04/11,221.63 = 4,728.72/x
  3. Step 3: Cross multiply
    8,132.04x = 11,221.63 × 4,728.72
  4. Step 4: Simplify right side
    8,132.04x = 53,063,946.21
  5. Step 5: Solve for x
    x = 53,063,946.21/8,132.04
  6. Step 6: Final answer
    x = 6,525.29

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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.