Home / 7,823.03-11,734.55-1,979.64

Finding the Fourth Proportional to 7,823.03, 11,734.55 and 1,979.64

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Solution

The fourth proportional to 7,823.03, 11,734.55 and 1,979.64 is: 2,969.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,823.03 : 11,734.55 = 1,979.64 : x
  2. Step 2: Convert to fraction form
    7,823.03/11,734.55 = 1,979.64/x
  3. Step 3: Cross multiply
    7,823.03x = 11,734.55 × 1,979.64
  4. Step 4: Simplify right side
    7,823.03x = 23,230,115.99
  5. Step 5: Solve for x
    x = 23,230,115.99/7,823.03
  6. Step 6: Final answer
    x = 2,969.45

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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.