Home / 7,987.32-11,910.61-7,433.28

Finding the Fourth Proportional to 7,987.32, 11,910.61 and 7,433.28

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Solution

The fourth proportional to 7,987.32, 11,910.61 and 7,433.28 is: 11,084.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,987.32 : 11,910.61 = 7,433.28 : x
  2. Step 2: Convert to fraction form
    7,987.32/11,910.61 = 7,433.28/x
  3. Step 3: Cross multiply
    7,987.32x = 11,910.61 × 7,433.28
  4. Step 4: Simplify right side
    7,987.32x = 88,534,899.10
  5. Step 5: Solve for x
    x = 88,534,899.10/7,987.32
  6. Step 6: Final answer
    x = 11,084.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.