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Finding the Fourth Proportional to 9,049.64, 13,555.76 and 4,355.76

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Solution

The fourth proportional to 9,049.64, 13,555.76 and 4,355.76 is: 6,524.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,049.64 : 13,555.76 = 4,355.76 : x
  2. Step 2: Convert to fraction form
    9,049.64/13,555.76 = 4,355.76/x
  3. Step 3: Cross multiply
    9,049.64x = 13,555.76 × 4,355.76
  4. Step 4: Simplify right side
    9,049.64x = 59,045,637.18
  5. Step 5: Solve for x
    x = 59,045,637.18/9,049.64
  6. Step 6: Final answer
    x = 6,524.64

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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.