Home / 8,357.23-12,535.85-3,425.98

Finding the Fourth Proportional to 8,357.23, 12,535.85 and 3,425.98

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Solution

The fourth proportional to 8,357.23, 12,535.85 and 3,425.98 is: 5,138.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,357.23 : 12,535.85 = 3,425.98 : x
  2. Step 2: Convert to fraction form
    8,357.23/12,535.85 = 3,425.98/x
  3. Step 3: Cross multiply
    8,357.23x = 12,535.85 × 3,425.98
  4. Step 4: Simplify right side
    8,357.23x = 42,947,548.61
  5. Step 5: Solve for x
    x = 42,947,548.61/8,357.23
  6. Step 6: Final answer
    x = 5,138.97

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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.