Home / 8,732.22-13,030.82-7,797.72

Finding the Fourth Proportional to 8,732.22, 13,030.82 and 7,797.72

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Solution

The fourth proportional to 8,732.22, 13,030.82 and 7,797.72 is: 11,636.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,732.22 : 13,030.82 = 7,797.72 : x
  2. Step 2: Convert to fraction form
    8,732.22/13,030.82 = 7,797.72/x
  3. Step 3: Cross multiply
    8,732.22x = 13,030.82 × 7,797.72
  4. Step 4: Simplify right side
    8,732.22x = 101,610,646.74
  5. Step 5: Solve for x
    x = 101,610,646.74/8,732.22
  6. Step 6: Final answer
    x = 11,636.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.