Home / 9,043.15-12,481.79-5,459.20

Finding the Fourth Proportional to 9,043.15, 12,481.79 and 5,459.20

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Solution

The fourth proportional to 9,043.15, 12,481.79 and 5,459.20 is: 7,535.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,043.15 : 12,481.79 = 5,459.20 : x
  2. Step 2: Convert to fraction form
    9,043.15/12,481.79 = 5,459.20/x
  3. Step 3: Cross multiply
    9,043.15x = 12,481.79 × 5,459.20
  4. Step 4: Simplify right side
    9,043.15x = 68,140,587.97
  5. Step 5: Solve for x
    x = 68,140,587.97/9,043.15
  6. Step 6: Final answer
    x = 7,535.05

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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.