Home / 6,319.33-8,721.16-3,487.26

Finding the Fourth Proportional to 6,319.33, 8,721.16 and 3,487.26

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Solution

The fourth proportional to 6,319.33, 8,721.16 and 3,487.26 is: 4,812.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,319.33 : 8,721.16 = 3,487.26 : x
  2. Step 2: Convert to fraction form
    6,319.33/8,721.16 = 3,487.26/x
  3. Step 3: Cross multiply
    6,319.33x = 8,721.16 × 3,487.26
  4. Step 4: Simplify right side
    6,319.33x = 30,412,974.22
  5. Step 5: Solve for x
    x = 30,412,974.22/6,319.33
  6. Step 6: Final answer
    x = 4,812.69

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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.