Home / 8,834.52-12,190.86-5,299.68

Finding the Fourth Proportional to 8,834.52, 12,190.86 and 5,299.68

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Solution

The fourth proportional to 8,834.52, 12,190.86 and 5,299.68 is: 7,313.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,834.52 : 12,190.86 = 5,299.68 : x
  2. Step 2: Convert to fraction form
    8,834.52/12,190.86 = 5,299.68/x
  3. Step 3: Cross multiply
    8,834.52x = 12,190.86 × 5,299.68
  4. Step 4: Simplify right side
    8,834.52x = 64,607,656.92
  5. Step 5: Solve for x
    x = 64,607,656.92/8,834.52
  6. Step 6: Final answer
    x = 7,313.09

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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.