Home / 8,708.33-12,020.46-5,351.29

Finding the Fourth Proportional to 8,708.33, 12,020.46 and 5,351.29

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Solution

The fourth proportional to 8,708.33, 12,020.46 and 5,351.29 is: 7,386.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,708.33 : 12,020.46 = 5,351.29 : x
  2. Step 2: Convert to fraction form
    8,708.33/12,020.46 = 5,351.29/x
  3. Step 3: Cross multiply
    8,708.33x = 12,020.46 × 5,351.29
  4. Step 4: Simplify right side
    8,708.33x = 64,324,967.39
  5. Step 5: Solve for x
    x = 64,324,967.39/8,708.33
  6. Step 6: Final answer
    x = 7,386.60

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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.