Home / 5,812.32-8,021.40-3,454.68

Finding the Fourth Proportional to 5,812.32, 8,021.40 and 3,454.68

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Solution

The fourth proportional to 5,812.32, 8,021.40 and 3,454.68 is: 4,767.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,812.32 : 8,021.40 = 3,454.68 : x
  2. Step 2: Convert to fraction form
    5,812.32/8,021.40 = 3,454.68/x
  3. Step 3: Cross multiply
    5,812.32x = 8,021.40 × 3,454.68
  4. Step 4: Simplify right side
    5,812.32x = 27,711,370.15
  5. Step 5: Solve for x
    x = 27,711,370.15/5,812.32
  6. Step 6: Final answer
    x = 4,767.70

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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.