Home / 3,515.11-5,272.53-882.63

Finding the Fourth Proportional to 3,515.11, 5,272.53 and 882.63

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Solution

The fourth proportional to 3,515.11, 5,272.53 and 882.63 is: 1,323.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.11 : 5,272.53 = 882.63 : x
  2. Step 2: Convert to fraction form
    3,515.11/5,272.53 = 882.63/x
  3. Step 3: Cross multiply
    3,515.11x = 5,272.53 × 882.63
  4. Step 4: Simplify right side
    3,515.11x = 4,653,693.15
  5. Step 5: Solve for x
    x = 4,653,693.15/3,515.11
  6. Step 6: Final answer
    x = 1,323.91

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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.