Home / 8,742.63-13,117.82-4,581.65

Finding the Fourth Proportional to 8,742.63, 13,117.82 and 4,581.65

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Solution

The fourth proportional to 8,742.63, 13,117.82 and 4,581.65 is: 6,874.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,742.63 : 13,117.82 = 4,581.65 : x
  2. Step 2: Convert to fraction form
    8,742.63/13,117.82 = 4,581.65/x
  3. Step 3: Cross multiply
    8,742.63x = 13,117.82 × 4,581.65
  4. Step 4: Simplify right side
    8,742.63x = 60,101,290.10
  5. Step 5: Solve for x
    x = 60,101,290.10/8,742.63
  6. Step 6: Final answer
    x = 6,874.51

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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.