Home / 6,690.16-10,036.20-2,072.08

Finding the Fourth Proportional to 6,690.16, 10,036.20 and 2,072.08

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Solution

The fourth proportional to 6,690.16, 10,036.20 and 2,072.08 is: 3,108.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,690.16 : 10,036.20 = 2,072.08 : x
  2. Step 2: Convert to fraction form
    6,690.16/10,036.20 = 2,072.08/x
  3. Step 3: Cross multiply
    6,690.16x = 10,036.20 × 2,072.08
  4. Step 4: Simplify right side
    6,690.16x = 20,795,809.30
  5. Step 5: Solve for x
    x = 20,795,809.30/6,690.16
  6. Step 6: Final answer
    x = 3,108.42

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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.