Home / 6,690.17-10,030.09-2,687.15

Finding the Fourth Proportional to 6,690.17, 10,030.09 and 2,687.15

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Solution

The fourth proportional to 6,690.17, 10,030.09 and 2,687.15 is: 4,028.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,690.17 : 10,030.09 = 2,687.15 : x
  2. Step 2: Convert to fraction form
    6,690.17/10,030.09 = 2,687.15/x
  3. Step 3: Cross multiply
    6,690.17x = 10,030.09 × 2,687.15
  4. Step 4: Simplify right side
    6,690.17x = 26,952,356.34
  5. Step 5: Solve for x
    x = 26,952,356.34/6,690.17
  6. Step 6: Final answer
    x = 4,028.65

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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.