Home / 4,880.30-7,327.20-3,136.10

Finding the Fourth Proportional to 4,880.30, 7,327.20 and 3,136.10

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Solution

The fourth proportional to 4,880.30, 7,327.20 and 3,136.10 is: 4,708.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,880.30 : 7,327.20 = 3,136.10 : x
  2. Step 2: Convert to fraction form
    4,880.30/7,327.20 = 3,136.10/x
  3. Step 3: Cross multiply
    4,880.30x = 7,327.20 × 3,136.10
  4. Step 4: Simplify right side
    4,880.30x = 22,978,831.92
  5. Step 5: Solve for x
    x = 22,978,831.92/4,880.30
  6. Step 6: Final answer
    x = 4,708.49

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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.