Home / 8,790.07-13,186.14-3,089.29

Finding the Fourth Proportional to 8,790.07, 13,186.14 and 3,089.29

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Solution

The fourth proportional to 8,790.07, 13,186.14 and 3,089.29 is: 4,634.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,790.07 : 13,186.14 = 3,089.29 : x
  2. Step 2: Convert to fraction form
    8,790.07/13,186.14 = 3,089.29/x
  3. Step 3: Cross multiply
    8,790.07x = 13,186.14 × 3,089.29
  4. Step 4: Simplify right side
    8,790.07x = 40,735,810.44
  5. Step 5: Solve for x
    x = 40,735,810.44/8,790.07
  6. Step 6: Final answer
    x = 4,634.30

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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.