Home / 6,342.57-8,752.55-3,510.09

Finding the Fourth Proportional to 6,342.57, 8,752.55 and 3,510.09

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Solution

The fourth proportional to 6,342.57, 8,752.55 and 3,510.09 is: 4,843.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,342.57 : 8,752.55 = 3,510.09 : x
  2. Step 2: Convert to fraction form
    6,342.57/8,752.55 = 3,510.09/x
  3. Step 3: Cross multiply
    6,342.57x = 8,752.55 × 3,510.09
  4. Step 4: Simplify right side
    6,342.57x = 30,722,220.68
  5. Step 5: Solve for x
    x = 30,722,220.68/6,342.57
  6. Step 6: Final answer
    x = 4,843.81

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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.