Home / 4,935.60-7,408.26-2,991.60

Finding the Fourth Proportional to 4,935.60, 7,408.26 and 2,991.60

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Solution

The fourth proportional to 4,935.60, 7,408.26 and 2,991.60 is: 4,490.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,935.60 : 7,408.26 = 2,991.60 : x
  2. Step 2: Convert to fraction form
    4,935.60/7,408.26 = 2,991.60/x
  3. Step 3: Cross multiply
    4,935.60x = 7,408.26 × 2,991.60
  4. Step 4: Simplify right side
    4,935.60x = 22,162,550.62
  5. Step 5: Solve for x
    x = 22,162,550.62/4,935.60
  6. Step 6: Final answer
    x = 4,490.35

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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.