Home / 8,760.07-13,139.73-4,078.46

Finding the Fourth Proportional to 8,760.07, 13,139.73 and 4,078.46

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Solution

The fourth proportional to 8,760.07, 13,139.73 and 4,078.46 is: 6,117.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,760.07 : 13,139.73 = 4,078.46 : x
  2. Step 2: Convert to fraction form
    8,760.07/13,139.73 = 4,078.46/x
  3. Step 3: Cross multiply
    8,760.07x = 13,139.73 × 4,078.46
  4. Step 4: Simplify right side
    8,760.07x = 53,589,863.22
  5. Step 5: Solve for x
    x = 53,589,863.22/8,760.07
  6. Step 6: Final answer
    x = 6,117.52

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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.