Home / 7,625.12-11,435.12-3,008.16

Finding the Fourth Proportional to 7,625.12, 11,435.12 and 3,008.16

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Solution

The fourth proportional to 7,625.12, 11,435.12 and 3,008.16 is: 4,511.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,625.12 : 11,435.12 = 3,008.16 : x
  2. Step 2: Convert to fraction form
    7,625.12/11,435.12 = 3,008.16/x
  3. Step 3: Cross multiply
    7,625.12x = 11,435.12 × 3,008.16
  4. Step 4: Simplify right side
    7,625.12x = 34,398,670.58
  5. Step 5: Solve for x
    x = 34,398,670.58/7,625.12
  6. Step 6: Final answer
    x = 4,511.23

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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.