Home / 6,762.12-10,138.59-2,379

Finding the Fourth Proportional to 6,762.12, 10,138.59 and 2,379

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Solution

The fourth proportional to 6,762.12, 10,138.59 and 2,379 is: 3,566.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,762.12 : 10,138.59 = 2,379 : x
  2. Step 2: Convert to fraction form
    6,762.12/10,138.59 = 2,379/x
  3. Step 3: Cross multiply
    6,762.12x = 10,138.59 × 2,379
  4. Step 4: Simplify right side
    6,762.12x = 24,119,705.61
  5. Step 5: Solve for x
    x = 24,119,705.61/6,762.12
  6. Step 6: Final answer
    x = 3,566.89

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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.