Home / 9,239.86-13,865.26-3,400.57

Finding the Fourth Proportional to 9,239.86, 13,865.26 and 3,400.57

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Solution

The fourth proportional to 9,239.86, 13,865.26 and 3,400.57 is: 5,102.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,239.86 : 13,865.26 = 3,400.57 : x
  2. Step 2: Convert to fraction form
    9,239.86/13,865.26 = 3,400.57/x
  3. Step 3: Cross multiply
    9,239.86x = 13,865.26 × 3,400.57
  4. Step 4: Simplify right side
    9,239.86x = 47,149,787.20
  5. Step 5: Solve for x
    x = 47,149,787.20/9,239.86
  6. Step 6: Final answer
    x = 5,102.87

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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.