Home / 5,085.95-7,623.67-2,126.11

Finding the Fourth Proportional to 5,085.95, 7,623.67 and 2,126.11

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Solution

The fourth proportional to 5,085.95, 7,623.67 and 2,126.11 is: 3,186.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,085.95 : 7,623.67 = 2,126.11 : x
  2. Step 2: Convert to fraction form
    5,085.95/7,623.67 = 2,126.11/x
  3. Step 3: Cross multiply
    5,085.95x = 7,623.67 × 2,126.11
  4. Step 4: Simplify right side
    5,085.95x = 16,208,761.02
  5. Step 5: Solve for x
    x = 16,208,761.02/5,085.95
  6. Step 6: Final answer
    x = 3,186.97

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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.