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Finding the Fourth Proportional to 8,889.84, 13,335.84 and 3,047.76

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Solution

The fourth proportional to 8,889.84, 13,335.84 and 3,047.76 is: 4,572.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889.84 : 13,335.84 = 3,047.76 : x
  2. Step 2: Convert to fraction form
    8,889.84/13,335.84 = 3,047.76/x
  3. Step 3: Cross multiply
    8,889.84x = 13,335.84 × 3,047.76
  4. Step 4: Simplify right side
    8,889.84x = 40,644,439.72
  5. Step 5: Solve for x
    x = 40,644,439.72/8,889.84
  6. Step 6: Final answer
    x = 4,572.01

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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.