Home / 7,726.36-11,595.14-5,255.32

Finding the Fourth Proportional to 7,726.36, 11,595.14 and 5,255.32

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Solution

The fourth proportional to 7,726.36, 11,595.14 and 5,255.32 is: 7,886.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,726.36 : 11,595.14 = 5,255.32 : x
  2. Step 2: Convert to fraction form
    7,726.36/11,595.14 = 5,255.32/x
  3. Step 3: Cross multiply
    7,726.36x = 11,595.14 × 5,255.32
  4. Step 4: Simplify right side
    7,726.36x = 60,936,171.14
  5. Step 5: Solve for x
    x = 60,936,171.14/7,726.36
  6. Step 6: Final answer
    x = 7,886.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.