Home / 8,959.50-13,439.43-3,765.42

Finding the Fourth Proportional to 8,959.50, 13,439.43 and 3,765.42

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Solution

The fourth proportional to 8,959.50, 13,439.43 and 3,765.42 is: 5,648.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,959.50 : 13,439.43 = 3,765.42 : x
  2. Step 2: Convert to fraction form
    8,959.50/13,439.43 = 3,765.42/x
  3. Step 3: Cross multiply
    8,959.50x = 13,439.43 × 3,765.42
  4. Step 4: Simplify right side
    8,959.50x = 50,605,098.51
  5. Step 5: Solve for x
    x = 50,605,098.51/8,959.50
  6. Step 6: Final answer
    x = 5,648.21

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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.