Home / 9,265.10-12,788.10-5,288.49

Finding the Fourth Proportional to 9,265.10, 12,788.10 and 5,288.49

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Solution

The fourth proportional to 9,265.10, 12,788.10 and 5,288.49 is: 7,299.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,265.10 : 12,788.10 = 5,288.49 : x
  2. Step 2: Convert to fraction form
    9,265.10/12,788.10 = 5,288.49/x
  3. Step 3: Cross multiply
    9,265.10x = 12,788.10 × 5,288.49
  4. Step 4: Simplify right side
    9,265.10x = 67,629,738.97
  5. Step 5: Solve for x
    x = 67,629,738.97/9,265.10
  6. Step 6: Final answer
    x = 7,299.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.