Home / 8,307.49-12,458.54-2,759.34

Finding the Fourth Proportional to 8,307.49, 12,458.54 and 2,759.34

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Solution

The fourth proportional to 8,307.49, 12,458.54 and 2,759.34 is: 4,138.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,307.49 : 12,458.54 = 2,759.34 : x
  2. Step 2: Convert to fraction form
    8,307.49/12,458.54 = 2,759.34/x
  3. Step 3: Cross multiply
    8,307.49x = 12,458.54 × 2,759.34
  4. Step 4: Simplify right side
    8,307.49x = 34,377,401.38
  5. Step 5: Solve for x
    x = 34,377,401.38/8,307.49
  6. Step 6: Final answer
    x = 4,138.12

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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.