Home / 8,708.16-13,065.18-2,865.72

Finding the Fourth Proportional to 8,708.16, 13,065.18 and 2,865.72

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Solution

The fourth proportional to 8,708.16, 13,065.18 and 2,865.72 is: 4,299.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,708.16 : 13,065.18 = 2,865.72 : x
  2. Step 2: Convert to fraction form
    8,708.16/13,065.18 = 2,865.72/x
  3. Step 3: Cross multiply
    8,708.16x = 13,065.18 × 2,865.72
  4. Step 4: Simplify right side
    8,708.16x = 37,441,147.63
  5. Step 5: Solve for x
    x = 37,441,147.63/8,708.16
  6. Step 6: Final answer
    x = 4,299.55

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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.