Home / 4,543.50-6,815.25-1,809.42

Finding the Fourth Proportional to 4,543.50, 6,815.25 and 1,809.42

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Solution

The fourth proportional to 4,543.50, 6,815.25 and 1,809.42 is: 2,714.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,543.50 : 6,815.25 = 1,809.42 : x
  2. Step 2: Convert to fraction form
    4,543.50/6,815.25 = 1,809.42/x
  3. Step 3: Cross multiply
    4,543.50x = 6,815.25 × 1,809.42
  4. Step 4: Simplify right side
    4,543.50x = 12,331,649.66
  5. Step 5: Solve for x
    x = 12,331,649.66/4,543.50
  6. Step 6: Final answer
    x = 2,714.13

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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.