Home / 8,930.76-13,386.46-3,993.60

Finding the Fourth Proportional to 8,930.76, 13,386.46 and 3,993.60

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Solution

The fourth proportional to 8,930.76, 13,386.46 and 3,993.60 is: 5,986.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,930.76 : 13,386.46 = 3,993.60 : x
  2. Step 2: Convert to fraction form
    8,930.76/13,386.46 = 3,993.60/x
  3. Step 3: Cross multiply
    8,930.76x = 13,386.46 × 3,993.60
  4. Step 4: Simplify right side
    8,930.76x = 53,460,166.66
  5. Step 5: Solve for x
    x = 53,460,166.66/8,930.76
  6. Step 6: Final answer
    x = 5,986.07

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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.