Home / 5,534.68-7,638.08-3,177.28

Finding the Fourth Proportional to 5,534.68, 7,638.08 and 3,177.28

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Solution

The fourth proportional to 5,534.68, 7,638.08 and 3,177.28 is: 4,384.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,534.68 : 7,638.08 = 3,177.28 : x
  2. Step 2: Convert to fraction form
    5,534.68/7,638.08 = 3,177.28/x
  3. Step 3: Cross multiply
    5,534.68x = 7,638.08 × 3,177.28
  4. Step 4: Simplify right side
    5,534.68x = 24,268,318.82
  5. Step 5: Solve for x
    x = 24,268,318.82/5,534.68
  6. Step 6: Final answer
    x = 4,384.77

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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.