Home / 7,853.56-11,766.49-4,147.63

Finding the Fourth Proportional to 7,853.56, 11,766.49 and 4,147.63

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Solution

The fourth proportional to 7,853.56, 11,766.49 and 4,147.63 is: 6,214.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,853.56 : 11,766.49 = 4,147.63 : x
  2. Step 2: Convert to fraction form
    7,853.56/11,766.49 = 4,147.63/x
  3. Step 3: Cross multiply
    7,853.56x = 11,766.49 × 4,147.63
  4. Step 4: Simplify right side
    7,853.56x = 48,803,046.92
  5. Step 5: Solve for x
    x = 48,803,046.92/7,853.56
  6. Step 6: Final answer
    x = 6,214.13

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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.