Home / 5,706.20-8,560.80-1,810.60

Finding the Fourth Proportional to 5,706.20, 8,560.80 and 1,810.60

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Solution

The fourth proportional to 5,706.20, 8,560.80 and 1,810.60 is: 2,716.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,706.20 : 8,560.80 = 1,810.60 : x
  2. Step 2: Convert to fraction form
    5,706.20/8,560.80 = 1,810.60/x
  3. Step 3: Cross multiply
    5,706.20x = 8,560.80 × 1,810.60
  4. Step 4: Simplify right side
    5,706.20x = 15,500,184.48
  5. Step 5: Solve for x
    x = 15,500,184.48/5,706.20
  6. Step 6: Final answer
    x = 2,716.38

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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.