Home / 4,147.59-6,221.31-1,515.08

Finding the Fourth Proportional to 4,147.59, 6,221.31 and 1,515.08

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Solution

The fourth proportional to 4,147.59, 6,221.31 and 1,515.08 is: 2,272.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147.59 : 6,221.31 = 1,515.08 : x
  2. Step 2: Convert to fraction form
    4,147.59/6,221.31 = 1,515.08/x
  3. Step 3: Cross multiply
    4,147.59x = 6,221.31 × 1,515.08
  4. Step 4: Simplify right side
    4,147.59x = 9,425,782.35
  5. Step 5: Solve for x
    x = 9,425,782.35/4,147.59
  6. Step 6: Final answer
    x = 2,272.59

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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.