Home / 7,774.35-11,653.32-3,820.13

Finding the Fourth Proportional to 7,774.35, 11,653.32 and 3,820.13

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Solution

The fourth proportional to 7,774.35, 11,653.32 and 3,820.13 is: 5,726.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,774.35 : 11,653.32 = 3,820.13 : x
  2. Step 2: Convert to fraction form
    7,774.35/11,653.32 = 3,820.13/x
  3. Step 3: Cross multiply
    7,774.35x = 11,653.32 × 3,820.13
  4. Step 4: Simplify right side
    7,774.35x = 44,517,175.60
  5. Step 5: Solve for x
    x = 44,517,175.60/7,774.35
  6. Step 6: Final answer
    x = 5,726.16

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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.