Home / 4,933.60-7,400.40-3,281.20

Finding the Fourth Proportional to 4,933.60, 7,400.40 and 3,281.20

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Solution

The fourth proportional to 4,933.60, 7,400.40 and 3,281.20 is: 4,921.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,933.60 : 7,400.40 = 3,281.20 : x
  2. Step 2: Convert to fraction form
    4,933.60/7,400.40 = 3,281.20/x
  3. Step 3: Cross multiply
    4,933.60x = 7,400.40 × 3,281.20
  4. Step 4: Simplify right side
    4,933.60x = 24,282,192.48
  5. Step 5: Solve for x
    x = 24,282,192.48/4,933.60
  6. Step 6: Final answer
    x = 4,921.80

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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.