Home / 7,085.16-10,625.58-4,005

Finding the Fourth Proportional to 7,085.16, 10,625.58 and 4,005

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Solution

The fourth proportional to 7,085.16, 10,625.58 and 4,005 is: 6,006.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,085.16 : 10,625.58 = 4,005 : x
  2. Step 2: Convert to fraction form
    7,085.16/10,625.58 = 4,005/x
  3. Step 3: Cross multiply
    7,085.16x = 10,625.58 × 4,005
  4. Step 4: Simplify right side
    7,085.16x = 42,555,447.90
  5. Step 5: Solve for x
    x = 42,555,447.90/7,085.16
  6. Step 6: Final answer
    x = 6,006.28

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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.