Home / 7,120.20-10,676.72-2,374.68

Finding the Fourth Proportional to 7,120.20, 10,676.72 and 2,374.68

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Solution

The fourth proportional to 7,120.20, 10,676.72 and 2,374.68 is: 3,560.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,120.20 : 10,676.72 = 2,374.68 : x
  2. Step 2: Convert to fraction form
    7,120.20/10,676.72 = 2,374.68/x
  3. Step 3: Cross multiply
    7,120.20x = 10,676.72 × 2,374.68
  4. Step 4: Simplify right side
    7,120.20x = 25,353,781.58
  5. Step 5: Solve for x
    x = 25,353,781.58/7,120.20
  6. Step 6: Final answer
    x = 3,560.82

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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.