Home / 9,270.78-12,793.60-5,079.04

Finding the Fourth Proportional to 9,270.78, 12,793.60 and 5,079.04

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Solution

The fourth proportional to 9,270.78, 12,793.60 and 5,079.04 is: 7,009.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,270.78 : 12,793.60 = 5,079.04 : x
  2. Step 2: Convert to fraction form
    9,270.78/12,793.60 = 5,079.04/x
  3. Step 3: Cross multiply
    9,270.78x = 12,793.60 × 5,079.04
  4. Step 4: Simplify right side
    9,270.78x = 64,979,206.14
  5. Step 5: Solve for x
    x = 64,979,206.14/9,270.78
  6. Step 6: Final answer
    x = 7,009.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.