Home / 5,013.81-7,520.72-2,239.81

Finding the Fourth Proportional to 5,013.81, 7,520.72 and 2,239.81

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Solution

The fourth proportional to 5,013.81, 7,520.72 and 2,239.81 is: 3,359.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,013.81 : 7,520.72 = 2,239.81 : x
  2. Step 2: Convert to fraction form
    5,013.81/7,520.72 = 2,239.81/x
  3. Step 3: Cross multiply
    5,013.81x = 7,520.72 × 2,239.81
  4. Step 4: Simplify right side
    5,013.81x = 16,844,983.86
  5. Step 5: Solve for x
    x = 16,844,983.86/5,013.81
  6. Step 6: Final answer
    x = 3,359.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.