Home / 8,865.77-13,301.12-3,868.58

Finding the Fourth Proportional to 8,865.77, 13,301.12 and 3,868.58

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Solution

The fourth proportional to 8,865.77, 13,301.12 and 3,868.58 is: 5,803.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,865.77 : 13,301.12 = 3,868.58 : x
  2. Step 2: Convert to fraction form
    8,865.77/13,301.12 = 3,868.58/x
  3. Step 3: Cross multiply
    8,865.77x = 13,301.12 × 3,868.58
  4. Step 4: Simplify right side
    8,865.77x = 51,456,446.81
  5. Step 5: Solve for x
    x = 51,456,446.81/8,865.77
  6. Step 6: Final answer
    x = 5,803.95

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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.