Home / 8,794.14-12,139.02-5,439.54

Finding the Fourth Proportional to 8,794.14, 12,139.02 and 5,439.54

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Solution

The fourth proportional to 8,794.14, 12,139.02 and 5,439.54 is: 7,508.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,794.14 : 12,139.02 = 5,439.54 : x
  2. Step 2: Convert to fraction form
    8,794.14/12,139.02 = 5,439.54/x
  3. Step 3: Cross multiply
    8,794.14x = 12,139.02 × 5,439.54
  4. Step 4: Simplify right side
    8,794.14x = 66,030,684.85
  5. Step 5: Solve for x
    x = 66,030,684.85/8,794.14
  6. Step 6: Final answer
    x = 7,508.49

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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.