Home / 6,723.63-9,279.02-4,071.29

Finding the Fourth Proportional to 6,723.63, 9,279.02 and 4,071.29

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Solution

The fourth proportional to 6,723.63, 9,279.02 and 4,071.29 is: 5,618.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,723.63 : 9,279.02 = 4,071.29 : x
  2. Step 2: Convert to fraction form
    6,723.63/9,279.02 = 4,071.29/x
  3. Step 3: Cross multiply
    6,723.63x = 9,279.02 × 4,071.29
  4. Step 4: Simplify right side
    6,723.63x = 37,777,545.12
  5. Step 5: Solve for x
    x = 37,777,545.12/6,723.63
  6. Step 6: Final answer
    x = 5,618.62

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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.