Home / 4,869.10-7,306.88-1,791.10

Finding the Fourth Proportional to 4,869.10, 7,306.88 and 1,791.10

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Solution

The fourth proportional to 4,869.10, 7,306.88 and 1,791.10 is: 2,687.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,869.10 : 7,306.88 = 1,791.10 : x
  2. Step 2: Convert to fraction form
    4,869.10/7,306.88 = 1,791.10/x
  3. Step 3: Cross multiply
    4,869.10x = 7,306.88 × 1,791.10
  4. Step 4: Simplify right side
    4,869.10x = 13,087,338.98
  5. Step 5: Solve for x
    x = 13,087,338.98/4,869.10
  6. Step 6: Final answer
    x = 2,687.84

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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.