Home / 4,901.80-7,348.57-2,126.38

Finding the Fourth Proportional to 4,901.80, 7,348.57 and 2,126.38

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Solution

The fourth proportional to 4,901.80, 7,348.57 and 2,126.38 is: 3,187.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,901.80 : 7,348.57 = 2,126.38 : x
  2. Step 2: Convert to fraction form
    4,901.80/7,348.57 = 2,126.38/x
  3. Step 3: Cross multiply
    4,901.80x = 7,348.57 × 2,126.38
  4. Step 4: Simplify right side
    4,901.80x = 15,625,880.16
  5. Step 5: Solve for x
    x = 15,625,880.16/4,901.80
  6. Step 6: Final answer
    x = 3,187.78

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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.