Home / 8,209.50-12,315.93-2,365.62

Finding the Fourth Proportional to 8,209.50, 12,315.93 and 2,365.62

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Solution

The fourth proportional to 8,209.50, 12,315.93 and 2,365.62 is: 3,548.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,209.50 : 12,315.93 = 2,365.62 : x
  2. Step 2: Convert to fraction form
    8,209.50/12,315.93 = 2,365.62/x
  3. Step 3: Cross multiply
    8,209.50x = 12,315.93 × 2,365.62
  4. Step 4: Simplify right side
    8,209.50x = 29,134,810.33
  5. Step 5: Solve for x
    x = 29,134,810.33/8,209.50
  6. Step 6: Final answer
    x = 3,548.91

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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.