Home / 8,325.92-12,488.28-3,394.16

Finding the Fourth Proportional to 8,325.92, 12,488.28 and 3,394.16

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Solution

The fourth proportional to 8,325.92, 12,488.28 and 3,394.16 is: 5,091.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,325.92 : 12,488.28 = 3,394.16 : x
  2. Step 2: Convert to fraction form
    8,325.92/12,488.28 = 3,394.16/x
  3. Step 3: Cross multiply
    8,325.92x = 12,488.28 × 3,394.16
  4. Step 4: Simplify right side
    8,325.92x = 42,387,220.44
  5. Step 5: Solve for x
    x = 42,387,220.44/8,325.92
  6. Step 6: Final answer
    x = 5,091.00

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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.