Home / 7,549.82-11,326.15-3,389.72

Finding the Fourth Proportional to 7,549.82, 11,326.15 and 3,389.72

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Solution

The fourth proportional to 7,549.82, 11,326.15 and 3,389.72 is: 5,085.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,549.82 : 11,326.15 = 3,389.72 : x
  2. Step 2: Convert to fraction form
    7,549.82/11,326.15 = 3,389.72/x
  3. Step 3: Cross multiply
    7,549.82x = 11,326.15 × 3,389.72
  4. Step 4: Simplify right side
    7,549.82x = 38,392,497.02
  5. Step 5: Solve for x
    x = 38,392,497.02/7,549.82
  6. Step 6: Final answer
    x = 5,085.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.