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Finding the Fourth Proportional to 8,908.94, 13,371.51 and 4,752.50

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Solution

The fourth proportional to 8,908.94, 13,371.51 and 4,752.50 is: 7,133.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,908.94 : 13,371.51 = 4,752.50 : x
  2. Step 2: Convert to fraction form
    8,908.94/13,371.51 = 4,752.50/x
  3. Step 3: Cross multiply
    8,908.94x = 13,371.51 × 4,752.50
  4. Step 4: Simplify right side
    8,908.94x = 63,548,034.42
  5. Step 5: Solve for x
    x = 63,548,034.42/8,908.94
  6. Step 6: Final answer
    x = 7,133.07

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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.