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Finding the Fourth Proportional to 8,891.81, 12,267.59 and 5,533.41

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Solution

The fourth proportional to 8,891.81, 12,267.59 and 5,533.41 is: 7,634.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,891.81 : 12,267.59 = 5,533.41 : x
  2. Step 2: Convert to fraction form
    8,891.81/12,267.59 = 5,533.41/x
  3. Step 3: Cross multiply
    8,891.81x = 12,267.59 × 5,533.41
  4. Step 4: Simplify right side
    8,891.81x = 67,881,623.52
  5. Step 5: Solve for x
    x = 67,881,623.52/8,891.81
  6. Step 6: Final answer
    x = 7,634.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.