Home / 8,079.13-11,145.45-4,722.08

Finding the Fourth Proportional to 8,079.13, 11,145.45 and 4,722.08

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Solution

The fourth proportional to 8,079.13, 11,145.45 and 4,722.08 is: 6,514.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,079.13 : 11,145.45 = 4,722.08 : x
  2. Step 2: Convert to fraction form
    8,079.13/11,145.45 = 4,722.08/x
  3. Step 3: Cross multiply
    8,079.13x = 11,145.45 × 4,722.08
  4. Step 4: Simplify right side
    8,079.13x = 52,629,752.11
  5. Step 5: Solve for x
    x = 52,629,752.11/8,079.13
  6. Step 6: Final answer
    x = 6,514.29

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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.