Home / 5,112.24-7,671.60-4,930.80

Finding the Fourth Proportional to 5,112.24, 7,671.60 and 4,930.80

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Solution

The fourth proportional to 5,112.24, 7,671.60 and 4,930.80 is: 7,399.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112.24 : 7,671.60 = 4,930.80 : x
  2. Step 2: Convert to fraction form
    5,112.24/7,671.60 = 4,930.80/x
  3. Step 3: Cross multiply
    5,112.24x = 7,671.60 × 4,930.80
  4. Step 4: Simplify right side
    5,112.24x = 37,827,125.28
  5. Step 5: Solve for x
    x = 37,827,125.28/5,112.24
  6. Step 6: Final answer
    x = 7,399.33

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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.