Home / 9,756.15-13,463.38-5,279.80

Finding the Fourth Proportional to 9,756.15, 13,463.38 and 5,279.80

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Solution

The fourth proportional to 9,756.15, 13,463.38 and 5,279.80 is: 7,286.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,756.15 : 13,463.38 = 5,279.80 : x
  2. Step 2: Convert to fraction form
    9,756.15/13,463.38 = 5,279.80/x
  3. Step 3: Cross multiply
    9,756.15x = 13,463.38 × 5,279.80
  4. Step 4: Simplify right side
    9,756.15x = 71,083,953.72
  5. Step 5: Solve for x
    x = 71,083,953.72/9,756.15
  6. Step 6: Final answer
    x = 7,286.07

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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.