Home / 4,510.80-6,767.57-2,140.70

Finding the Fourth Proportional to 4,510.80, 6,767.57 and 2,140.70

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Solution

The fourth proportional to 4,510.80, 6,767.57 and 2,140.70 is: 3,211.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,510.80 : 6,767.57 = 2,140.70 : x
  2. Step 2: Convert to fraction form
    4,510.80/6,767.57 = 2,140.70/x
  3. Step 3: Cross multiply
    4,510.80x = 6,767.57 × 2,140.70
  4. Step 4: Simplify right side
    4,510.80x = 14,487,292.56
  5. Step 5: Solve for x
    x = 14,487,292.56/4,510.80
  6. Step 6: Final answer
    x = 3,211.69

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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.