Home / 5,721.12-8,586.54-4,081.68

Finding the Fourth Proportional to 5,721.12, 8,586.54 and 4,081.68

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Solution

The fourth proportional to 5,721.12, 8,586.54 and 4,081.68 is: 6,125.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,721.12 : 8,586.54 = 4,081.68 : x
  2. Step 2: Convert to fraction form
    5,721.12/8,586.54 = 4,081.68/x
  3. Step 3: Cross multiply
    5,721.12x = 8,586.54 × 4,081.68
  4. Step 4: Simplify right side
    5,721.12x = 35,047,508.59
  5. Step 5: Solve for x
    x = 35,047,508.59/5,721.12
  6. Step 6: Final answer
    x = 6,125.99

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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.