Home / 8,300.40-11,442.84-5,154.48

Finding the Fourth Proportional to 8,300.40, 11,442.84 and 5,154.48

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Solution

The fourth proportional to 8,300.40, 11,442.84 and 5,154.48 is: 7,105.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,300.40 : 11,442.84 = 5,154.48 : x
  2. Step 2: Convert to fraction form
    8,300.40/11,442.84 = 5,154.48/x
  3. Step 3: Cross multiply
    8,300.40x = 11,442.84 × 5,154.48
  4. Step 4: Simplify right side
    8,300.40x = 58,981,889.92
  5. Step 5: Solve for x
    x = 58,981,889.92/8,300.40
  6. Step 6: Final answer
    x = 7,105.91

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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.