Home / 8,040.13-11,089.29-7,043.68

Finding the Fourth Proportional to 8,040.13, 11,089.29 and 7,043.68

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Solution

The fourth proportional to 8,040.13, 11,089.29 and 7,043.68 is: 9,714.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,040.13 : 11,089.29 = 7,043.68 : x
  2. Step 2: Convert to fraction form
    8,040.13/11,089.29 = 7,043.68/x
  3. Step 3: Cross multiply
    8,040.13x = 11,089.29 × 7,043.68
  4. Step 4: Simplify right side
    8,040.13x = 78,109,374.97
  5. Step 5: Solve for x
    x = 78,109,374.97/8,040.13
  6. Step 6: Final answer
    x = 9,714.94

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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.