Home / 8,245.19-11,378.55-4,708.73

Finding the Fourth Proportional to 8,245.19, 11,378.55 and 4,708.73

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Solution

The fourth proportional to 8,245.19, 11,378.55 and 4,708.73 is: 6,498.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,245.19 : 11,378.55 = 4,708.73 : x
  2. Step 2: Convert to fraction form
    8,245.19/11,378.55 = 4,708.73/x
  3. Step 3: Cross multiply
    8,245.19x = 11,378.55 × 4,708.73
  4. Step 4: Simplify right side
    8,245.19x = 53,578,519.74
  5. Step 5: Solve for x
    x = 53,578,519.74/8,245.19
  6. Step 6: Final answer
    x = 6,498.15

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Half scale
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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.