Home / 7,373.80-10,179.30-5,279.08

Finding the Fourth Proportional to 7,373.80, 10,179.30 and 5,279.08

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Solution

The fourth proportional to 7,373.80, 10,179.30 and 5,279.08 is: 7,287.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,373.80 : 10,179.30 = 5,279.08 : x
  2. Step 2: Convert to fraction form
    7,373.80/10,179.30 = 5,279.08/x
  3. Step 3: Cross multiply
    7,373.80x = 10,179.30 × 5,279.08
  4. Step 4: Simplify right side
    7,373.80x = 53,737,339.04
  5. Step 5: Solve for x
    x = 53,737,339.04/7,373.80
  6. Step 6: Final answer
    x = 7,287.60

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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.