Home / 7,279.86-10,043.74-4,446.20

Finding the Fourth Proportional to 7,279.86, 10,043.74 and 4,446.20

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Solution

The fourth proportional to 7,279.86, 10,043.74 and 4,446.20 is: 6,134.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,279.86 : 10,043.74 = 4,446.20 : x
  2. Step 2: Convert to fraction form
    7,279.86/10,043.74 = 4,446.20/x
  3. Step 3: Cross multiply
    7,279.86x = 10,043.74 × 4,446.20
  4. Step 4: Simplify right side
    7,279.86x = 44,656,476.79
  5. Step 5: Solve for x
    x = 44,656,476.79/7,279.86
  6. Step 6: Final answer
    x = 6,134.25

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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.