Home / 9,270.70-12,793.56-5,078.92

Finding the Fourth Proportional to 9,270.70, 12,793.56 and 5,078.92

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Solution

The fourth proportional to 9,270.70, 12,793.56 and 5,078.92 is: 7,008.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,270.70 : 12,793.56 = 5,078.92 : x
  2. Step 2: Convert to fraction form
    9,270.70/12,793.56 = 5,078.92/x
  3. Step 3: Cross multiply
    9,270.70x = 12,793.56 × 5,078.92
  4. Step 4: Simplify right side
    9,270.70x = 64,977,467.76
  5. Step 5: Solve for x
    x = 64,977,467.76/9,270.70
  6. Step 6: Final answer
    x = 7,008.91

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1.5x scale

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.