Home / 5,756.26-8,634.30-1,807.60

Finding the Fourth Proportional to 5,756.26, 8,634.30 and 1,807.60

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Solution

The fourth proportional to 5,756.26, 8,634.30 and 1,807.60 is: 2,711.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,756.26 : 8,634.30 = 1,807.60 : x
  2. Step 2: Convert to fraction form
    5,756.26/8,634.30 = 1,807.60/x
  3. Step 3: Cross multiply
    5,756.26x = 8,634.30 × 1,807.60
  4. Step 4: Simplify right side
    5,756.26x = 15,607,360.68
  5. Step 5: Solve for x
    x = 15,607,360.68/5,756.26
  6. Step 6: Final answer
    x = 2,711.37

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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.