Home / 6,821.70-10,232.55-4,343.10

Finding the Fourth Proportional to 6,821.70, 10,232.55 and 4,343.10

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Solution

The fourth proportional to 6,821.70, 10,232.55 and 4,343.10 is: 6,514.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,821.70 : 10,232.55 = 4,343.10 : x
  2. Step 2: Convert to fraction form
    6,821.70/10,232.55 = 4,343.10/x
  3. Step 3: Cross multiply
    6,821.70x = 10,232.55 × 4,343.10
  4. Step 4: Simplify right side
    6,821.70x = 44,440,987.91
  5. Step 5: Solve for x
    x = 44,440,987.91/6,821.70
  6. Step 6: Final answer
    x = 6,514.65

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Half scale
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Double scale
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Similar ratio
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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.