Home / 4,441.20-6,125.60-2,869.76

Finding the Fourth Proportional to 4,441.20, 6,125.60 and 2,869.76

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Solution

The fourth proportional to 4,441.20, 6,125.60 and 2,869.76 is: 3,958.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,441.20 : 6,125.60 = 2,869.76 : x
  2. Step 2: Convert to fraction form
    4,441.20/6,125.60 = 2,869.76/x
  3. Step 3: Cross multiply
    4,441.20x = 6,125.60 × 2,869.76
  4. Step 4: Simplify right side
    4,441.20x = 17,579,001.86
  5. Step 5: Solve for x
    x = 17,579,001.86/4,441.20
  6. Step 6: Final answer
    x = 3,958.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.