Home / 8,870.35-13,306.89-2,629.71

Finding the Fourth Proportional to 8,870.35, 13,306.89 and 2,629.71

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Solution

The fourth proportional to 8,870.35, 13,306.89 and 2,629.71 is: 3,944.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,870.35 : 13,306.89 = 2,629.71 : x
  2. Step 2: Convert to fraction form
    8,870.35/13,306.89 = 2,629.71/x
  3. Step 3: Cross multiply
    8,870.35x = 13,306.89 × 2,629.71
  4. Step 4: Simplify right side
    8,870.35x = 34,993,261.70
  5. Step 5: Solve for x
    x = 34,993,261.70/8,870.35
  6. Step 6: Final answer
    x = 3,944.97

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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.