Home / 8,697.08-11,998.80-5,714.52

Finding the Fourth Proportional to 8,697.08, 11,998.80 and 5,714.52

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Solution

The fourth proportional to 8,697.08, 11,998.80 and 5,714.52 is: 7,883.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,697.08 : 11,998.80 = 5,714.52 : x
  2. Step 2: Convert to fraction form
    8,697.08/11,998.80 = 5,714.52/x
  3. Step 3: Cross multiply
    8,697.08x = 11,998.80 × 5,714.52
  4. Step 4: Simplify right side
    8,697.08x = 68,567,382.58
  5. Step 5: Solve for x
    x = 68,567,382.58/8,697.08
  6. Step 6: Final answer
    x = 7,883.95

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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.