Home / 5,812.04-8,711.58-2,520.20

Finding the Fourth Proportional to 5,812.04, 8,711.58 and 2,520.20

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Solution

The fourth proportional to 5,812.04, 8,711.58 and 2,520.20 is: 3,777.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,812.04 : 8,711.58 = 2,520.20 : x
  2. Step 2: Convert to fraction form
    5,812.04/8,711.58 = 2,520.20/x
  3. Step 3: Cross multiply
    5,812.04x = 8,711.58 × 2,520.20
  4. Step 4: Simplify right side
    5,812.04x = 21,954,923.92
  5. Step 5: Solve for x
    x = 21,954,923.92/5,812.04
  6. Step 6: Final answer
    x = 3,777.49

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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.