Home / 8,325.07-12,487.56-3,394.69

Finding the Fourth Proportional to 8,325.07, 12,487.56 and 3,394.69

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Solution

The fourth proportional to 8,325.07, 12,487.56 and 3,394.69 is: 5,092.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,325.07 : 12,487.56 = 3,394.69 : x
  2. Step 2: Convert to fraction form
    8,325.07/12,487.56 = 3,394.69/x
  3. Step 3: Cross multiply
    8,325.07x = 12,487.56 × 3,394.69
  4. Step 4: Simplify right side
    8,325.07x = 42,391,434.76
  5. Step 5: Solve for x
    x = 42,391,434.76/8,325.07
  6. Step 6: Final answer
    x = 5,092.02

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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.