Home / 5,078.06-7,615.67-1,568.33

Finding the Fourth Proportional to 5,078.06, 7,615.67 and 1,568.33

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Solution

The fourth proportional to 5,078.06, 7,615.67 and 1,568.33 is: 2,352.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,078.06 : 7,615.67 = 1,568.33 : x
  2. Step 2: Convert to fraction form
    5,078.06/7,615.67 = 1,568.33/x
  3. Step 3: Cross multiply
    5,078.06x = 7,615.67 × 1,568.33
  4. Step 4: Simplify right side
    5,078.06x = 11,943,837.81
  5. Step 5: Solve for x
    x = 11,943,837.81/5,078.06
  6. Step 6: Final answer
    x = 2,352.05

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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.