Home / 5,515.85-8,272.56-3,535.54

Finding the Fourth Proportional to 5,515.85, 8,272.56 and 3,535.54

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Solution

The fourth proportional to 5,515.85, 8,272.56 and 3,535.54 is: 5,302.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.85 : 8,272.56 = 3,535.54 : x
  2. Step 2: Convert to fraction form
    5,515.85/8,272.56 = 3,535.54/x
  3. Step 3: Cross multiply
    5,515.85x = 8,272.56 × 3,535.54
  4. Step 4: Simplify right side
    5,515.85x = 29,247,925.42
  5. Step 5: Solve for x
    x = 29,247,925.42/5,515.85
  6. Step 6: Final answer
    x = 5,302.52

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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.