Home / 7,619.36-10,514.78-4,262.20

Finding the Fourth Proportional to 7,619.36, 10,514.78 and 4,262.20

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Solution

The fourth proportional to 7,619.36, 10,514.78 and 4,262.20 is: 5,881.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,619.36 : 10,514.78 = 4,262.20 : x
  2. Step 2: Convert to fraction form
    7,619.36/10,514.78 = 4,262.20/x
  3. Step 3: Cross multiply
    7,619.36x = 10,514.78 × 4,262.20
  4. Step 4: Simplify right side
    7,619.36x = 44,816,095.32
  5. Step 5: Solve for x
    x = 44,816,095.32/7,619.36
  6. Step 6: Final answer
    x = 5,881.87

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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.