Home / 5,358.15-8,020.82-2,886.84

Finding the Fourth Proportional to 5,358.15, 8,020.82 and 2,886.84

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Solution

The fourth proportional to 5,358.15, 8,020.82 and 2,886.84 is: 4,321.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,358.15 : 8,020.82 = 2,886.84 : x
  2. Step 2: Convert to fraction form
    5,358.15/8,020.82 = 2,886.84/x
  3. Step 3: Cross multiply
    5,358.15x = 8,020.82 × 2,886.84
  4. Step 4: Simplify right side
    5,358.15x = 23,154,831.23
  5. Step 5: Solve for x
    x = 23,154,831.23/5,358.15
  6. Step 6: Final answer
    x = 4,321.42

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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.