Home / 5,541.40-7,643.22-3,301.55

Finding the Fourth Proportional to 5,541.40, 7,643.22 and 3,301.55

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Solution

The fourth proportional to 5,541.40, 7,643.22 and 3,301.55 is: 4,553.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,541.40 : 7,643.22 = 3,301.55 : x
  2. Step 2: Convert to fraction form
    5,541.40/7,643.22 = 3,301.55/x
  3. Step 3: Cross multiply
    5,541.40x = 7,643.22 × 3,301.55
  4. Step 4: Simplify right side
    5,541.40x = 25,234,434.77
  5. Step 5: Solve for x
    x = 25,234,434.77/5,541.40
  6. Step 6: Final answer
    x = 4,553.80

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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.