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Finding the Fourth Proportional to 8,989.84, 13,483.50 and 3,794.50

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Solution

The fourth proportional to 8,989.84, 13,483.50 and 3,794.50 is: 5,691.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,989.84 : 13,483.50 = 3,794.50 : x
  2. Step 2: Convert to fraction form
    8,989.84/13,483.50 = 3,794.50/x
  3. Step 3: Cross multiply
    8,989.84x = 13,483.50 × 3,794.50
  4. Step 4: Simplify right side
    8,989.84x = 51,163,140.75
  5. Step 5: Solve for x
    x = 51,163,140.75/8,989.84
  6. Step 6: Final answer
    x = 5,691.22

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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.