Home / 4,293.05-6,439.45-1,371.53

Finding the Fourth Proportional to 4,293.05, 6,439.45 and 1,371.53

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Solution

The fourth proportional to 4,293.05, 6,439.45 and 1,371.53 is: 2,057.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,293.05 : 6,439.45 = 1,371.53 : x
  2. Step 2: Convert to fraction form
    4,293.05/6,439.45 = 1,371.53/x
  3. Step 3: Cross multiply
    4,293.05x = 6,439.45 × 1,371.53
  4. Step 4: Simplify right side
    4,293.05x = 8,831,859.80
  5. Step 5: Solve for x
    x = 8,831,859.80/4,293.05
  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.