Home / 8,343.08-12,514.65-2,420.33

Finding the Fourth Proportional to 8,343.08, 12,514.65 and 2,420.33

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Solution

The fourth proportional to 8,343.08, 12,514.65 and 2,420.33 is: 3,630.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,343.08 : 12,514.65 = 2,420.33 : x
  2. Step 2: Convert to fraction form
    8,343.08/12,514.65 = 2,420.33/x
  3. Step 3: Cross multiply
    8,343.08x = 12,514.65 × 2,420.33
  4. Step 4: Simplify right side
    8,343.08x = 30,289,582.83
  5. Step 5: Solve for x
    x = 30,289,582.83/8,343.08
  6. Step 6: Final answer
    x = 3,630.50

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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.