Home / 5,013.20-7,520.08-2,823.76

Finding the Fourth Proportional to 5,013.20, 7,520.08 and 2,823.76

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Solution

The fourth proportional to 5,013.20, 7,520.08 and 2,823.76 is: 4,235.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,013.20 : 7,520.08 = 2,823.76 : x
  2. Step 2: Convert to fraction form
    5,013.20/7,520.08 = 2,823.76/x
  3. Step 3: Cross multiply
    5,013.20x = 7,520.08 × 2,823.76
  4. Step 4: Simplify right side
    5,013.20x = 21,234,901.10
  5. Step 5: Solve for x
    x = 21,234,901.10/5,013.20
  6. Step 6: Final answer
    x = 4,235.80

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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.