Home / 6,376.61-8,795.36-3,854.35

Finding the Fourth Proportional to 6,376.61, 8,795.36 and 3,854.35

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Solution

The fourth proportional to 6,376.61, 8,795.36 and 3,854.35 is: 5,316.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,376.61 : 8,795.36 = 3,854.35 : x
  2. Step 2: Convert to fraction form
    6,376.61/8,795.36 = 3,854.35/x
  3. Step 3: Cross multiply
    6,376.61x = 8,795.36 × 3,854.35
  4. Step 4: Simplify right side
    6,376.61x = 33,900,354.56
  5. Step 5: Solve for x
    x = 33,900,354.56/6,376.61
  6. Step 6: Final answer
    x = 5,316.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.