Home / 5,045.76-7,575.84-3,660.66

Finding the Fourth Proportional to 5,045.76, 7,575.84 and 3,660.66

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Solution

The fourth proportional to 5,045.76, 7,575.84 and 3,660.66 is: 5,496.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,045.76 : 7,575.84 = 3,660.66 : x
  2. Step 2: Convert to fraction form
    5,045.76/7,575.84 = 3,660.66/x
  3. Step 3: Cross multiply
    5,045.76x = 7,575.84 × 3,660.66
  4. Step 4: Simplify right side
    5,045.76x = 27,732,574.45
  5. Step 5: Solve for x
    x = 27,732,574.45/5,045.76
  6. Step 6: Final answer
    x = 5,496.21

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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.