Home / 4,293.19-6,439.65-1,371.43

Finding the Fourth Proportional to 4,293.19, 6,439.65 and 1,371.43

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Solution

The fourth proportional to 4,293.19, 6,439.65 and 1,371.43 is: 2,057.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,293.19 : 6,439.65 = 1,371.43 : x
  2. Step 2: Convert to fraction form
    4,293.19/6,439.65 = 1,371.43/x
  3. Step 3: Cross multiply
    4,293.19x = 6,439.65 × 1,371.43
  4. Step 4: Simplify right side
    4,293.19x = 8,831,529.20
  5. Step 5: Solve for x
    x = 8,831,529.20/4,293.19
  6. Step 6: Final answer
    x = 2,057.10

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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.