Home / 8,700.86-11,998.37-7,446.08

Finding the Fourth Proportional to 8,700.86, 11,998.37 and 7,446.08

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Solution

The fourth proportional to 8,700.86, 11,998.37 and 7,446.08 is: 10,268.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,700.86 : 11,998.37 = 7,446.08 : x
  2. Step 2: Convert to fraction form
    8,700.86/11,998.37 = 7,446.08/x
  3. Step 3: Cross multiply
    8,700.86x = 11,998.37 × 7,446.08
  4. Step 4: Simplify right side
    8,700.86x = 89,340,785.66
  5. Step 5: Solve for x
    x = 89,340,785.66/8,700.86
  6. Step 6: Final answer
    x = 10,268.04

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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.