Home / 8,957.36-13,438.46-3,114.42

Finding the Fourth Proportional to 8,957.36, 13,438.46 and 3,114.42

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Solution

The fourth proportional to 8,957.36, 13,438.46 and 3,114.42 is: 4,672.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,957.36 : 13,438.46 = 3,114.42 : x
  2. Step 2: Convert to fraction form
    8,957.36/13,438.46 = 3,114.42/x
  3. Step 3: Cross multiply
    8,957.36x = 13,438.46 × 3,114.42
  4. Step 4: Simplify right side
    8,957.36x = 41,853,016.38
  5. Step 5: Solve for x
    x = 41,853,016.38/8,957.36
  6. Step 6: Final answer
    x = 4,672.47

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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.