Home / 8,326.18-12,488.92-4,626.05

Finding the Fourth Proportional to 8,326.18, 12,488.92 and 4,626.05

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Solution

The fourth proportional to 8,326.18, 12,488.92 and 4,626.05 is: 6,938.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,326.18 : 12,488.92 = 4,626.05 : x
  2. Step 2: Convert to fraction form
    8,326.18/12,488.92 = 4,626.05/x
  3. Step 3: Cross multiply
    8,326.18x = 12,488.92 × 4,626.05
  4. Step 4: Simplify right side
    8,326.18x = 57,774,358.54
  5. Step 5: Solve for x
    x = 57,774,358.54/8,326.18
  6. Step 6: Final answer
    x = 6,938.88

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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.