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Finding the Fourth Proportional to 6,139.69, 9,209.53 and 1,522.69

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Solution

The fourth proportional to 6,139.69, 9,209.53 and 1,522.69 is: 2,284.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,139.69 : 9,209.53 = 1,522.69 : x
  2. Step 2: Convert to fraction form
    6,139.69/9,209.53 = 1,522.69/x
  3. Step 3: Cross multiply
    6,139.69x = 9,209.53 × 1,522.69
  4. Step 4: Simplify right side
    6,139.69x = 14,023,238.12
  5. Step 5: Solve for x
    x = 14,023,238.12/6,139.69
  6. Step 6: Final answer
    x = 2,284.03

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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.