Home / 4,510.20-6,223.96-2,520.78

Finding the Fourth Proportional to 4,510.20, 6,223.96 and 2,520.78

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Solution

The fourth proportional to 4,510.20, 6,223.96 and 2,520.78 is: 3,478.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,510.20 : 6,223.96 = 2,520.78 : x
  2. Step 2: Convert to fraction form
    4,510.20/6,223.96 = 2,520.78/x
  3. Step 3: Cross multiply
    4,510.20x = 6,223.96 × 2,520.78
  4. Step 4: Simplify right side
    4,510.20x = 15,689,233.89
  5. Step 5: Solve for x
    x = 15,689,233.89/4,510.20
  6. Step 6: Final answer
    x = 3,478.61

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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.