Home / 5,515.24-8,272.50-4,290.52

Finding the Fourth Proportional to 5,515.24, 8,272.50 and 4,290.52

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Solution

The fourth proportional to 5,515.24, 8,272.50 and 4,290.52 is: 6,435.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.24 : 8,272.50 = 4,290.52 : x
  2. Step 2: Convert to fraction form
    5,515.24/8,272.50 = 4,290.52/x
  3. Step 3: Cross multiply
    5,515.24x = 8,272.50 × 4,290.52
  4. Step 4: Simplify right side
    5,515.24x = 35,493,326.70
  5. Step 5: Solve for x
    x = 35,493,326.70/5,515.24
  6. Step 6: Final answer
    x = 6,435.50

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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.