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Finding the Fourth Proportional to 4,408.80, 6,612.03 and 1,486.50

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Solution

The fourth proportional to 4,408.80, 6,612.03 and 1,486.50 is: 2,229.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,408.80 : 6,612.03 = 1,486.50 : x
  2. Step 2: Convert to fraction form
    4,408.80/6,612.03 = 1,486.50/x
  3. Step 3: Cross multiply
    4,408.80x = 6,612.03 × 1,486.50
  4. Step 4: Simplify right side
    4,408.80x = 9,828,782.60
  5. Step 5: Solve for x
    x = 9,828,782.60/4,408.80
  6. Step 6: Final answer
    x = 2,229.36

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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.