Home / 5,454.42-7,526.19-3,215.99

Finding the Fourth Proportional to 5,454.42, 7,526.19 and 3,215.99

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Solution

The fourth proportional to 5,454.42, 7,526.19 and 3,215.99 is: 4,437.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,454.42 : 7,526.19 = 3,215.99 : x
  2. Step 2: Convert to fraction form
    5,454.42/7,526.19 = 3,215.99/x
  3. Step 3: Cross multiply
    5,454.42x = 7,526.19 × 3,215.99
  4. Step 4: Simplify right side
    5,454.42x = 24,204,151.78
  5. Step 5: Solve for x
    x = 24,204,151.78/5,454.42
  6. Step 6: Final answer
    x = 4,437.53

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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.