Home / 6,348.20-8,758.47-4,111.79

Finding the Fourth Proportional to 6,348.20, 8,758.47 and 4,111.79

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Solution

The fourth proportional to 6,348.20, 8,758.47 and 4,111.79 is: 5,672.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,348.20 : 8,758.47 = 4,111.79 : x
  2. Step 2: Convert to fraction form
    6,348.20/8,758.47 = 4,111.79/x
  3. Step 3: Cross multiply
    6,348.20x = 8,758.47 × 4,111.79
  4. Step 4: Simplify right side
    6,348.20x = 36,012,945.57
  5. Step 5: Solve for x
    x = 36,012,945.57/6,348.20
  6. Step 6: Final answer
    x = 5,672.94

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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.