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Finding the Fourth Proportional to 6,376.61, 9,579.95 and 3,750.84

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Solution

The fourth proportional to 6,376.61, 9,579.95 and 3,750.84 is: 5,635.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,376.61 : 9,579.95 = 3,750.84 : x
  2. Step 2: Convert to fraction form
    6,376.61/9,579.95 = 3,750.84/x
  3. Step 3: Cross multiply
    6,376.61x = 9,579.95 × 3,750.84
  4. Step 4: Simplify right side
    6,376.61x = 35,932,840.90
  5. Step 5: Solve for x
    x = 35,932,840.90/6,376.61
  6. Step 6: Final answer
    x = 5,635.11

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1.5x scale

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.