Home / 6,721.85-9,275.95-3,696.96

Finding the Fourth Proportional to 6,721.85, 9,275.95 and 3,696.96

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Solution

The fourth proportional to 6,721.85, 9,275.95 and 3,696.96 is: 5,101.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,721.85 : 9,275.95 = 3,696.96 : x
  2. Step 2: Convert to fraction form
    6,721.85/9,275.95 = 3,696.96/x
  3. Step 3: Cross multiply
    6,721.85x = 9,275.95 × 3,696.96
  4. Step 4: Simplify right side
    6,721.85x = 34,292,816.11
  5. Step 5: Solve for x
    x = 34,292,816.11/6,721.85
  6. Step 6: Final answer
    x = 5,101.69

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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.