Home / 8,780.22-13,168.36-2,538.84

Finding the Fourth Proportional to 8,780.22, 13,168.36 and 2,538.84

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Solution

The fourth proportional to 8,780.22, 13,168.36 and 2,538.84 is: 3,807.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,780.22 : 13,168.36 = 2,538.84 : x
  2. Step 2: Convert to fraction form
    8,780.22/13,168.36 = 2,538.84/x
  3. Step 3: Cross multiply
    8,780.22x = 13,168.36 × 2,538.84
  4. Step 4: Simplify right side
    8,780.22x = 33,432,352.76
  5. Step 5: Solve for x
    x = 33,432,352.76/8,780.22
  6. Step 6: Final answer
    x = 3,807.69

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1.5x scale

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.