Home / 8,928.84-13,385.34-3,378.30

Finding the Fourth Proportional to 8,928.84, 13,385.34 and 3,378.30

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Solution

The fourth proportional to 8,928.84, 13,385.34 and 3,378.30 is: 5,064.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,928.84 : 13,385.34 = 3,378.30 : x
  2. Step 2: Convert to fraction form
    8,928.84/13,385.34 = 3,378.30/x
  3. Step 3: Cross multiply
    8,928.84x = 13,385.34 × 3,378.30
  4. Step 4: Simplify right side
    8,928.84x = 45,219,694.12
  5. Step 5: Solve for x
    x = 45,219,694.12/8,928.84
  6. Step 6: Final answer
    x = 5,064.45

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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.