Home / 8,767.47-13,143.38-3,219.53

Finding the Fourth Proportional to 8,767.47, 13,143.38 and 3,219.53

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Solution

The fourth proportional to 8,767.47, 13,143.38 and 3,219.53 is: 4,826.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,767.47 : 13,143.38 = 3,219.53 : x
  2. Step 2: Convert to fraction form
    8,767.47/13,143.38 = 3,219.53/x
  3. Step 3: Cross multiply
    8,767.47x = 13,143.38 × 3,219.53
  4. Step 4: Simplify right side
    8,767.47x = 42,315,506.21
  5. Step 5: Solve for x
    x = 42,315,506.21/8,767.47
  6. Step 6: Final answer
    x = 4,826.42

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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.