Home / 5,515.68-8,275.56-2,555.54

Finding the Fourth Proportional to 5,515.68, 8,275.56 and 2,555.54

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Solution

The fourth proportional to 5,515.68, 8,275.56 and 2,555.54 is: 3,834.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.68 : 8,275.56 = 2,555.54 : x
  2. Step 2: Convert to fraction form
    5,515.68/8,275.56 = 2,555.54/x
  3. Step 3: Cross multiply
    5,515.68x = 8,275.56 × 2,555.54
  4. Step 4: Simplify right side
    5,515.68x = 21,148,483.22
  5. Step 5: Solve for x
    x = 21,148,483.22/5,515.68
  6. Step 6: Final answer
    x = 3,834.25

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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.