Home / 4,998.12-7,500.92-1,881.20

Finding the Fourth Proportional to 4,998.12, 7,500.92 and 1,881.20

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Solution

The fourth proportional to 4,998.12, 7,500.92 and 1,881.20 is: 2,823.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,998.12 : 7,500.92 = 1,881.20 : x
  2. Step 2: Convert to fraction form
    4,998.12/7,500.92 = 1,881.20/x
  3. Step 3: Cross multiply
    4,998.12x = 7,500.92 × 1,881.20
  4. Step 4: Simplify right side
    4,998.12x = 14,110,730.70
  5. Step 5: Solve for x
    x = 14,110,730.70/4,998.12
  6. Step 6: Final answer
    x = 2,823.21

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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.