Home / 5,742.95-7,923.15-3,617.91

Finding the Fourth Proportional to 5,742.95, 7,923.15 and 3,617.91

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Solution

The fourth proportional to 5,742.95, 7,923.15 and 3,617.91 is: 4,991.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,742.95 : 7,923.15 = 3,617.91 : x
  2. Step 2: Convert to fraction form
    5,742.95/7,923.15 = 3,617.91/x
  3. Step 3: Cross multiply
    5,742.95x = 7,923.15 × 3,617.91
  4. Step 4: Simplify right side
    5,742.95x = 28,665,243.62
  5. Step 5: Solve for x
    x = 28,665,243.62/5,742.95
  6. Step 6: Final answer
    x = 4,991.38

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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.