Home / 4,478.76-6,715.83-2,011.46

Finding the Fourth Proportional to 4,478.76, 6,715.83 and 2,011.46

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Solution

The fourth proportional to 4,478.76, 6,715.83 and 2,011.46 is: 3,016.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478.76 : 6,715.83 = 2,011.46 : x
  2. Step 2: Convert to fraction form
    4,478.76/6,715.83 = 2,011.46/x
  3. Step 3: Cross multiply
    4,478.76x = 6,715.83 × 2,011.46
  4. Step 4: Simplify right side
    4,478.76x = 13,508,589.83
  5. Step 5: Solve for x
    x = 13,508,589.83/4,478.76
  6. Step 6: Final answer
    x = 3,016.15

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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.