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Finding the Fourth Proportional to 6,560.88, 9,848.04 and 5,115.84

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Solution

The fourth proportional to 6,560.88, 9,848.04 and 5,115.84 is: 7,679.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,560.88 : 9,848.04 = 5,115.84 : x
  2. Step 2: Convert to fraction form
    6,560.88/9,848.04 = 5,115.84/x
  3. Step 3: Cross multiply
    6,560.88x = 9,848.04 × 5,115.84
  4. Step 4: Simplify right side
    6,560.88x = 50,380,996.95
  5. Step 5: Solve for x
    x = 50,380,996.95/6,560.88
  6. Step 6: Final answer
    x = 7,679.00

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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.