Home / 8,867.60-13,294.76-3,869

Finding the Fourth Proportional to 8,867.60, 13,294.76 and 3,869

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Solution

The fourth proportional to 8,867.60, 13,294.76 and 3,869 is: 5,800.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,867.60 : 13,294.76 = 3,869 : x
  2. Step 2: Convert to fraction form
    8,867.60/13,294.76 = 3,869/x
  3. Step 3: Cross multiply
    8,867.60x = 13,294.76 × 3,869
  4. Step 4: Simplify right side
    8,867.60x = 51,437,426.44
  5. Step 5: Solve for x
    x = 51,437,426.44/8,867.60
  6. Step 6: Final answer
    x = 5,800.60

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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.