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Finding the Fourth Proportional to 6,381.52, 9,518.04 and 6,270.88

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Solution

The fourth proportional to 6,381.52, 9,518.04 and 6,270.88 is: 9,353.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,381.52 : 9,518.04 = 6,270.88 : x
  2. Step 2: Convert to fraction form
    6,381.52/9,518.04 = 6,270.88/x
  3. Step 3: Cross multiply
    6,381.52x = 9,518.04 × 6,270.88
  4. Step 4: Simplify right side
    6,381.52x = 59,686,486.68
  5. Step 5: Solve for x
    x = 59,686,486.68/6,381.52
  6. Step 6: Final answer
    x = 9,353.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.