Home / 6,246-9,369.36-3,126.78

Finding the Fourth Proportional to 6,246, 9,369.36 and 3,126.78

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Solution

The fourth proportional to 6,246, 9,369.36 and 3,126.78 is: 4,690.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,246 : 9,369.36 = 3,126.78 : x
  2. Step 2: Convert to fraction form
    6,246/9,369.36 = 3,126.78/x
  3. Step 3: Cross multiply
    6,246x = 9,369.36 × 3,126.78
  4. Step 4: Simplify right side
    6,246x = 29,295,927.46
  5. Step 5: Solve for x
    x = 29,295,927.46/6,246
  6. Step 6: Final answer
    x = 4,690.35

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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.