Home / 7,200.15-10,801.68-3,040.17

Finding the Fourth Proportional to 7,200.15, 10,801.68 and 3,040.17

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Solution

The fourth proportional to 7,200.15, 10,801.68 and 3,040.17 is: 4,560.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,200.15 : 10,801.68 = 3,040.17 : x
  2. Step 2: Convert to fraction form
    7,200.15/10,801.68 = 3,040.17/x
  3. Step 3: Cross multiply
    7,200.15x = 10,801.68 × 3,040.17
  4. Step 4: Simplify right side
    7,200.15x = 32,838,943.49
  5. Step 5: Solve for x
    x = 32,838,943.49/7,200.15
  6. Step 6: Final answer
    x = 4,560.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.