Home / 8,836.99-12,192.01-5,478.59

Finding the Fourth Proportional to 8,836.99, 12,192.01 and 5,478.59

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Solution

The fourth proportional to 8,836.99, 12,192.01 and 5,478.59 is: 7,558.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,836.99 : 12,192.01 = 5,478.59 : x
  2. Step 2: Convert to fraction form
    8,836.99/12,192.01 = 5,478.59/x
  3. Step 3: Cross multiply
    8,836.99x = 12,192.01 × 5,478.59
  4. Step 4: Simplify right side
    8,836.99x = 66,795,040.85
  5. Step 5: Solve for x
    x = 66,795,040.85/8,836.99
  6. Step 6: Final answer
    x = 7,558.58

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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.