Home / 8,806.08-12,151.68-5,080.32

Finding the Fourth Proportional to 8,806.08, 12,151.68 and 5,080.32

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Solution

The fourth proportional to 8,806.08, 12,151.68 and 5,080.32 is: 7,010.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,806.08 : 12,151.68 = 5,080.32 : x
  2. Step 2: Convert to fraction form
    8,806.08/12,151.68 = 5,080.32/x
  3. Step 3: Cross multiply
    8,806.08x = 12,151.68 × 5,080.32
  4. Step 4: Simplify right side
    8,806.08x = 61,734,422.94
  5. Step 5: Solve for x
    x = 61,734,422.94/8,806.08
  6. Step 6: Final answer
    x = 7,010.43

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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.