Home / 8,947.49-13,416.63-3,396.60

Finding the Fourth Proportional to 8,947.49, 13,416.63 and 3,396.60

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Solution

The fourth proportional to 8,947.49, 13,416.63 and 3,396.60 is: 5,093.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,947.49 : 13,416.63 = 3,396.60 : x
  2. Step 2: Convert to fraction form
    8,947.49/13,416.63 = 3,396.60/x
  3. Step 3: Cross multiply
    8,947.49x = 13,416.63 × 3,396.60
  4. Step 4: Simplify right side
    8,947.49x = 45,570,925.46
  5. Step 5: Solve for x
    x = 45,570,925.46/8,947.49
  6. Step 6: Final answer
    x = 5,093.15

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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.