Home / 5,535.38-7,639.52-3,146.09

Finding the Fourth Proportional to 5,535.38, 7,639.52 and 3,146.09

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Solution

The fourth proportional to 5,535.38, 7,639.52 and 3,146.09 is: 4,341.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,535.38 : 7,639.52 = 3,146.09 : x
  2. Step 2: Convert to fraction form
    5,535.38/7,639.52 = 3,146.09/x
  3. Step 3: Cross multiply
    5,535.38x = 7,639.52 × 3,146.09
  4. Step 4: Simplify right side
    5,535.38x = 24,034,563.55
  5. Step 5: Solve for x
    x = 24,034,563.55/5,535.38
  6. Step 6: Final answer
    x = 4,341.99

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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.