Home / 8,133.07-11,219.52-5,143.87

Finding the Fourth Proportional to 8,133.07, 11,219.52 and 5,143.87

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Solution

The fourth proportional to 8,133.07, 11,219.52 and 5,143.87 is: 7,095.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,133.07 : 11,219.52 = 5,143.87 : x
  2. Step 2: Convert to fraction form
    8,133.07/11,219.52 = 5,143.87/x
  3. Step 3: Cross multiply
    8,133.07x = 11,219.52 × 5,143.87
  4. Step 4: Simplify right side
    8,133.07x = 57,711,726.62
  5. Step 5: Solve for x
    x = 57,711,726.62/8,133.07
  6. Step 6: Final answer
    x = 7,095.93

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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.