Home / 7,782.22-10,726.66-5,514.32

Finding the Fourth Proportional to 7,782.22, 10,726.66 and 5,514.32

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Solution

The fourth proportional to 7,782.22, 10,726.66 and 5,514.32 is: 7,600.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,782.22 : 10,726.66 = 5,514.32 : x
  2. Step 2: Convert to fraction form
    7,782.22/10,726.66 = 5,514.32/x
  3. Step 3: Cross multiply
    7,782.22x = 10,726.66 × 5,514.32
  4. Step 4: Simplify right side
    7,782.22x = 59,150,208.58
  5. Step 5: Solve for x
    x = 59,150,208.58/7,782.22
  6. Step 6: Final answer
    x = 7,600.69

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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.