Home / 7,279.71-10,042.83-4,625.69

Finding the Fourth Proportional to 7,279.71, 10,042.83 and 4,625.69

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Solution

The fourth proportional to 7,279.71, 10,042.83 and 4,625.69 is: 6,381.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,279.71 : 10,042.83 = 4,625.69 : x
  2. Step 2: Convert to fraction form
    7,279.71/10,042.83 = 4,625.69/x
  3. Step 3: Cross multiply
    7,279.71x = 10,042.83 × 4,625.69
  4. Step 4: Simplify right side
    7,279.71x = 46,455,005.75
  5. Step 5: Solve for x
    x = 46,455,005.75/7,279.71
  6. Step 6: Final answer
    x = 6,381.44

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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.