Home / 5,455.38-7,535.46-4,211.81

Finding the Fourth Proportional to 5,455.38, 7,535.46 and 4,211.81

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Solution

The fourth proportional to 5,455.38, 7,535.46 and 4,211.81 is: 5,817.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.38 : 7,535.46 = 4,211.81 : x
  2. Step 2: Convert to fraction form
    5,455.38/7,535.46 = 4,211.81/x
  3. Step 3: Cross multiply
    5,455.38x = 7,535.46 × 4,211.81
  4. Step 4: Simplify right side
    5,455.38x = 31,737,925.78
  5. Step 5: Solve for x
    x = 31,737,925.78/5,455.38
  6. Step 6: Final answer
    x = 5,817.73

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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.