Home / 8,255.58-11,392.59-4,718.70

Finding the Fourth Proportional to 8,255.58, 11,392.59 and 4,718.70

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Solution

The fourth proportional to 8,255.58, 11,392.59 and 4,718.70 is: 6,511.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,255.58 : 11,392.59 = 4,718.70 : x
  2. Step 2: Convert to fraction form
    8,255.58/11,392.59 = 4,718.70/x
  3. Step 3: Cross multiply
    8,255.58x = 11,392.59 × 4,718.70
  4. Step 4: Simplify right side
    8,255.58x = 53,758,214.43
  5. Step 5: Solve for x
    x = 53,758,214.43/8,255.58
  6. Step 6: Final answer
    x = 6,511.74

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Half scale
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Double 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.