Home / 6,721.92-10,085.76-6,148.80

Finding the Fourth Proportional to 6,721.92, 10,085.76 and 6,148.80

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Solution

The fourth proportional to 6,721.92, 10,085.76 and 6,148.80 is: 9,225.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,721.92 : 10,085.76 = 6,148.80 : x
  2. Step 2: Convert to fraction form
    6,721.92/10,085.76 = 6,148.80/x
  3. Step 3: Cross multiply
    6,721.92x = 10,085.76 × 6,148.80
  4. Step 4: Simplify right side
    6,721.92x = 62,015,321.09
  5. Step 5: Solve for x
    x = 62,015,321.09/6,721.92
  6. Step 6: Final answer
    x = 9,225.83

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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.