Home / 9,279.48-13,921.14-4,084.92

Finding the Fourth Proportional to 9,279.48, 13,921.14 and 4,084.92

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Solution

The fourth proportional to 9,279.48, 13,921.14 and 4,084.92 is: 6,128.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,279.48 : 13,921.14 = 4,084.92 : x
  2. Step 2: Convert to fraction form
    9,279.48/13,921.14 = 4,084.92/x
  3. Step 3: Cross multiply
    9,279.48x = 13,921.14 × 4,084.92
  4. Step 4: Simplify right side
    9,279.48x = 56,866,743.21
  5. Step 5: Solve for x
    x = 56,866,743.21/9,279.48
  6. Step 6: Final answer
    x = 6,128.23

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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.