Home / 4,815.32-7,217.91-2,346.71

Finding the Fourth Proportional to 4,815.32, 7,217.91 and 2,346.71

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Solution

The fourth proportional to 4,815.32, 7,217.91 and 2,346.71 is: 3,517.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.32 : 7,217.91 = 2,346.71 : x
  2. Step 2: Convert to fraction form
    4,815.32/7,217.91 = 2,346.71/x
  3. Step 3: Cross multiply
    4,815.32x = 7,217.91 × 2,346.71
  4. Step 4: Simplify right side
    4,815.32x = 16,938,305.49
  5. Step 5: Solve for x
    x = 16,938,305.49/4,815.32
  6. Step 6: Final answer
    x = 3,517.59

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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.