Home / 8,217.32-11,340.05-4,680.45

Finding the Fourth Proportional to 8,217.32, 11,340.05 and 4,680.45

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Solution

The fourth proportional to 8,217.32, 11,340.05 and 4,680.45 is: 6,459.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,217.32 : 11,340.05 = 4,680.45 : x
  2. Step 2: Convert to fraction form
    8,217.32/11,340.05 = 4,680.45/x
  3. Step 3: Cross multiply
    8,217.32x = 11,340.05 × 4,680.45
  4. Step 4: Simplify right side
    8,217.32x = 53,076,513.62
  5. Step 5: Solve for x
    x = 53,076,513.62/8,217.32
  6. Step 6: Final answer
    x = 6,459.11

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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.