Home / 5,515.54-8,275.02-1,767.88

Finding the Fourth Proportional to 5,515.54, 8,275.02 and 1,767.88

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Solution

The fourth proportional to 5,515.54, 8,275.02 and 1,767.88 is: 2,652.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.54 : 8,275.02 = 1,767.88 : x
  2. Step 2: Convert to fraction form
    5,515.54/8,275.02 = 1,767.88/x
  3. Step 3: Cross multiply
    5,515.54x = 8,275.02 × 1,767.88
  4. Step 4: Simplify right side
    5,515.54x = 14,629,242.36
  5. Step 5: Solve for x
    x = 14,629,242.36/5,515.54
  6. Step 6: Final answer
    x = 2,652.37

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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.