Home / 6,721.76-9,276.92-4,069.22

Finding the Fourth Proportional to 6,721.76, 9,276.92 and 4,069.22

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Solution

The fourth proportional to 6,721.76, 9,276.92 and 4,069.22 is: 5,616.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,721.76 : 9,276.92 = 4,069.22 : x
  2. Step 2: Convert to fraction form
    6,721.76/9,276.92 = 4,069.22/x
  3. Step 3: Cross multiply
    6,721.76x = 9,276.92 × 4,069.22
  4. Step 4: Simplify right side
    6,721.76x = 37,749,792.19
  5. Step 5: Solve for x
    x = 37,749,792.19/6,721.76
  6. Step 6: Final answer
    x = 5,616.06

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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.