Home / 4,510.80-6,755.40-2,199.60

Finding the Fourth Proportional to 4,510.80, 6,755.40 and 2,199.60

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Solution

The fourth proportional to 4,510.80, 6,755.40 and 2,199.60 is: 3,294.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,510.80 : 6,755.40 = 2,199.60 : x
  2. Step 2: Convert to fraction form
    4,510.80/6,755.40 = 2,199.60/x
  3. Step 3: Cross multiply
    4,510.80x = 6,755.40 × 2,199.60
  4. Step 4: Simplify right side
    4,510.80x = 14,859,177.84
  5. Step 5: Solve for x
    x = 14,859,177.84/4,510.80
  6. Step 6: Final answer
    x = 3,294.13

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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.