Home / 6,143.11-8,477.51-3,348.61

Finding the Fourth Proportional to 6,143.11, 8,477.51 and 3,348.61

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Solution

The fourth proportional to 6,143.11, 8,477.51 and 3,348.61 is: 4,621.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,143.11 : 8,477.51 = 3,348.61 : x
  2. Step 2: Convert to fraction form
    6,143.11/8,477.51 = 3,348.61/x
  3. Step 3: Cross multiply
    6,143.11x = 8,477.51 × 3,348.61
  4. Step 4: Simplify right side
    6,143.11x = 28,387,874.76
  5. Step 5: Solve for x
    x = 28,387,874.76/6,143.11
  6. Step 6: Final answer
    x = 4,621.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.