Home / 5,816.90-8,711.43-3,180.45

Finding the Fourth Proportional to 5,816.90, 8,711.43 and 3,180.45

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Solution

The fourth proportional to 5,816.90, 8,711.43 and 3,180.45 is: 4,763.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,816.90 : 8,711.43 = 3,180.45 : x
  2. Step 2: Convert to fraction form
    5,816.90/8,711.43 = 3,180.45/x
  3. Step 3: Cross multiply
    5,816.90x = 8,711.43 × 3,180.45
  4. Step 4: Simplify right side
    5,816.90x = 27,706,267.54
  5. Step 5: Solve for x
    x = 27,706,267.54/5,816.90
  6. Step 6: Final answer
    x = 4,763.07

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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.