Home / 9,071.29-12,519.21-5,296.29

Finding the Fourth Proportional to 9,071.29, 12,519.21 and 5,296.29

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Solution

The fourth proportional to 9,071.29, 12,519.21 and 5,296.29 is: 7,309.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,071.29 : 12,519.21 = 5,296.29 : x
  2. Step 2: Convert to fraction form
    9,071.29/12,519.21 = 5,296.29/x
  3. Step 3: Cross multiply
    9,071.29x = 12,519.21 × 5,296.29
  4. Step 4: Simplify right side
    9,071.29x = 66,305,309.85
  5. Step 5: Solve for x
    x = 66,305,309.85/9,071.29
  6. Step 6: Final answer
    x = 7,309.36

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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.