Home / 7,279.44-10,921.56-2,895.72

Finding the Fourth Proportional to 7,279.44, 10,921.56 and 2,895.72

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Solution

The fourth proportional to 7,279.44, 10,921.56 and 2,895.72 is: 4,344.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,279.44 : 10,921.56 = 2,895.72 : x
  2. Step 2: Convert to fraction form
    7,279.44/10,921.56 = 2,895.72/x
  3. Step 3: Cross multiply
    7,279.44x = 10,921.56 × 2,895.72
  4. Step 4: Simplify right side
    7,279.44x = 31,625,779.72
  5. Step 5: Solve for x
    x = 31,625,779.72/7,279.44
  6. Step 6: Final answer
    x = 4,344.53

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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.