Home / 4,812.60-7,221.43-3,416.03

Finding the Fourth Proportional to 4,812.60, 7,221.43 and 3,416.03

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Solution

The fourth proportional to 4,812.60, 7,221.43 and 3,416.03 is: 5,125.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812.60 : 7,221.43 = 3,416.03 : x
  2. Step 2: Convert to fraction form
    4,812.60/7,221.43 = 3,416.03/x
  3. Step 3: Cross multiply
    4,812.60x = 7,221.43 × 3,416.03
  4. Step 4: Simplify right side
    4,812.60x = 24,668,621.52
  5. Step 5: Solve for x
    x = 24,668,621.52/4,812.60
  6. Step 6: Final answer
    x = 5,125.84

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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.