Home / 5,240.73-7,228.41-3,559.20

Finding the Fourth Proportional to 5,240.73, 7,228.41 and 3,559.20

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Solution

The fourth proportional to 5,240.73, 7,228.41 and 3,559.20 is: 4,909.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240.73 : 7,228.41 = 3,559.20 : x
  2. Step 2: Convert to fraction form
    5,240.73/7,228.41 = 3,559.20/x
  3. Step 3: Cross multiply
    5,240.73x = 7,228.41 × 3,559.20
  4. Step 4: Simplify right side
    5,240.73x = 25,727,356.87
  5. Step 5: Solve for x
    x = 25,727,356.87/5,240.73
  6. Step 6: Final answer
    x = 4,909.12

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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.