Home / 7,439.84-11,165.15-2,760.52

Finding the Fourth Proportional to 7,439.84, 11,165.15 and 2,760.52

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Solution

The fourth proportional to 7,439.84, 11,165.15 and 2,760.52 is: 4,142.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,439.84 : 11,165.15 = 2,760.52 : x
  2. Step 2: Convert to fraction form
    7,439.84/11,165.15 = 2,760.52/x
  3. Step 3: Cross multiply
    7,439.84x = 11,165.15 × 2,760.52
  4. Step 4: Simplify right side
    7,439.84x = 30,821,577.93
  5. Step 5: Solve for x
    x = 30,821,577.93/7,439.84
  6. Step 6: Final answer
    x = 4,142.77

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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.