Home / 4,930.60-7,399.02-2,854.72

Finding the Fourth Proportional to 4,930.60, 7,399.02 and 2,854.72

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Solution

The fourth proportional to 4,930.60, 7,399.02 and 2,854.72 is: 4,283.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,930.60 : 7,399.02 = 2,854.72 : x
  2. Step 2: Convert to fraction form
    4,930.60/7,399.02 = 2,854.72/x
  3. Step 3: Cross multiply
    4,930.60x = 7,399.02 × 2,854.72
  4. Step 4: Simplify right side
    4,930.60x = 21,122,130.37
  5. Step 5: Solve for x
    x = 21,122,130.37/4,930.60
  6. Step 6: Final answer
    x = 4,283.89

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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.