Home / 4,299.31-6,449.12-1,377.24

Finding the Fourth Proportional to 4,299.31, 6,449.12 and 1,377.24

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Solution

The fourth proportional to 4,299.31, 6,449.12 and 1,377.24 is: 2,065.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,299.31 : 6,449.12 = 1,377.24 : x
  2. Step 2: Convert to fraction form
    4,299.31/6,449.12 = 1,377.24/x
  3. Step 3: Cross multiply
    4,299.31x = 6,449.12 × 1,377.24
  4. Step 4: Simplify right side
    4,299.31x = 8,881,953.78
  5. Step 5: Solve for x
    x = 8,881,953.78/4,299.31
  6. Step 6: Final answer
    x = 2,065.90

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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.