Home / 4,510.80-6,766.20-3,125.70

Finding the Fourth Proportional to 4,510.80, 6,766.20 and 3,125.70

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Solution

The fourth proportional to 4,510.80, 6,766.20 and 3,125.70 is: 4,688.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,510.80 : 6,766.20 = 3,125.70 : x
  2. Step 2: Convert to fraction form
    4,510.80/6,766.20 = 3,125.70/x
  3. Step 3: Cross multiply
    4,510.80x = 6,766.20 × 3,125.70
  4. Step 4: Simplify right side
    4,510.80x = 21,149,111.34
  5. Step 5: Solve for x
    x = 21,149,111.34/4,510.80
  6. Step 6: Final answer
    x = 4,688.55

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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.