Home / 9,089.72-13,634.88-2,515.36

Finding the Fourth Proportional to 9,089.72, 13,634.88 and 2,515.36

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Solution

The fourth proportional to 9,089.72, 13,634.88 and 2,515.36 is: 3,773.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,089.72 : 13,634.88 = 2,515.36 : x
  2. Step 2: Convert to fraction form
    9,089.72/13,634.88 = 2,515.36/x
  3. Step 3: Cross multiply
    9,089.72x = 13,634.88 × 2,515.36
  4. Step 4: Simplify right side
    9,089.72x = 34,296,631.76
  5. Step 5: Solve for x
    x = 34,296,631.76/9,089.72
  6. Step 6: Final answer
    x = 3,773.12

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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.