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Finding the Fourth Proportional to 5,869.18, 8,100.14 and 3,351.65

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Solution

The fourth proportional to 5,869.18, 8,100.14 and 3,351.65 is: 4,625.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,869.18 : 8,100.14 = 3,351.65 : x
  2. Step 2: Convert to fraction form
    5,869.18/8,100.14 = 3,351.65/x
  3. Step 3: Cross multiply
    5,869.18x = 8,100.14 × 3,351.65
  4. Step 4: Simplify right side
    5,869.18x = 27,148,834.23
  5. Step 5: Solve for x
    x = 27,148,834.23/5,869.18
  6. Step 6: Final answer
    x = 4,625.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.