Home / 5,534.38-7,639.05-3,647.35

Finding the Fourth Proportional to 5,534.38, 7,639.05 and 3,647.35

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Solution

The fourth proportional to 5,534.38, 7,639.05 and 3,647.35 is: 5,034.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,534.38 : 7,639.05 = 3,647.35 : x
  2. Step 2: Convert to fraction form
    5,534.38/7,639.05 = 3,647.35/x
  3. Step 3: Cross multiply
    5,534.38x = 7,639.05 × 3,647.35
  4. Step 4: Simplify right side
    5,534.38x = 27,862,289.02
  5. Step 5: Solve for x
    x = 27,862,289.02/5,534.38
  6. Step 6: Final answer
    x = 5,034.40

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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.