Home / 4,292.91-6,439.59-1,371.45

Finding the Fourth Proportional to 4,292.91, 6,439.59 and 1,371.45

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Solution

The fourth proportional to 4,292.91, 6,439.59 and 1,371.45 is: 2,057.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,292.91 : 6,439.59 = 1,371.45 : x
  2. Step 2: Convert to fraction form
    4,292.91/6,439.59 = 1,371.45/x
  3. Step 3: Cross multiply
    4,292.91x = 6,439.59 × 1,371.45
  4. Step 4: Simplify right side
    4,292.91x = 8,831,575.71
  5. Step 5: Solve for x
    x = 8,831,575.71/4,292.91
  6. Step 6: Final answer
    x = 2,057.25

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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.