Home / 8,930.80-12,324.48-4,951.81

Finding the Fourth Proportional to 8,930.80, 12,324.48 and 4,951.81

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Solution

The fourth proportional to 8,930.80, 12,324.48 and 4,951.81 is: 6,833.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,930.80 : 12,324.48 = 4,951.81 : x
  2. Step 2: Convert to fraction form
    8,930.80/12,324.48 = 4,951.81/x
  3. Step 3: Cross multiply
    8,930.80x = 12,324.48 × 4,951.81
  4. Step 4: Simplify right side
    8,930.80x = 61,028,483.31
  5. Step 5: Solve for x
    x = 61,028,483.31/8,930.80
  6. Step 6: Final answer
    x = 6,833.48

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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.