Home / 6,384.60-8,807.16-3,996.18

Finding the Fourth Proportional to 6,384.60, 8,807.16 and 3,996.18

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Solution

The fourth proportional to 6,384.60, 8,807.16 and 3,996.18 is: 5,512.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,384.60 : 8,807.16 = 3,996.18 : x
  2. Step 2: Convert to fraction form
    6,384.60/8,807.16 = 3,996.18/x
  3. Step 3: Cross multiply
    6,384.60x = 8,807.16 × 3,996.18
  4. Step 4: Simplify right side
    6,384.60x = 35,194,996.65
  5. Step 5: Solve for x
    x = 35,194,996.65/6,384.60
  6. Step 6: Final answer
    x = 5,512.48

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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.