Home / 4,372.05-6,555.66-2,986.95

Finding the Fourth Proportional to 4,372.05, 6,555.66 and 2,986.95

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Solution

The fourth proportional to 4,372.05, 6,555.66 and 2,986.95 is: 4,478.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,372.05 : 6,555.66 = 2,986.95 : x
  2. Step 2: Convert to fraction form
    4,372.05/6,555.66 = 2,986.95/x
  3. Step 3: Cross multiply
    4,372.05x = 6,555.66 × 2,986.95
  4. Step 4: Simplify right side
    4,372.05x = 19,581,407.71
  5. Step 5: Solve for x
    x = 19,581,407.71/4,372.05
  6. Step 6: Final answer
    x = 4,478.78

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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.