Home / 8,675.58-13,013.40-2,101.76

Finding the Fourth Proportional to 8,675.58, 13,013.40 and 2,101.76

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Solution

The fourth proportional to 8,675.58, 13,013.40 and 2,101.76 is: 3,152.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,675.58 : 13,013.40 = 2,101.76 : x
  2. Step 2: Convert to fraction form
    8,675.58/13,013.40 = 2,101.76/x
  3. Step 3: Cross multiply
    8,675.58x = 13,013.40 × 2,101.76
  4. Step 4: Simplify right side
    8,675.58x = 27,350,978.52
  5. Step 5: Solve for x
    x = 27,350,978.52/8,675.58
  6. Step 6: Final answer
    x = 3,152.64

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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.