Home / 7,279.17-10,921.19-2,895.45

Finding the Fourth Proportional to 7,279.17, 10,921.19 and 2,895.45

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Solution

The fourth proportional to 7,279.17, 10,921.19 and 2,895.45 is: 4,344.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,279.17 : 10,921.19 = 2,895.45 : x
  2. Step 2: Convert to fraction form
    7,279.17/10,921.19 = 2,895.45/x
  3. Step 3: Cross multiply
    7,279.17x = 10,921.19 × 2,895.45
  4. Step 4: Simplify right side
    7,279.17x = 31,621,745.11
  5. Step 5: Solve for x
    x = 31,621,745.11/7,279.17
  6. Step 6: Final answer
    x = 4,344.14

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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.