Home / 8,686.32-13,026.75-2,841.57

Finding the Fourth Proportional to 8,686.32, 13,026.75 and 2,841.57

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Solution

The fourth proportional to 8,686.32, 13,026.75 and 2,841.57 is: 4,261.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,686.32 : 13,026.75 = 2,841.57 : x
  2. Step 2: Convert to fraction form
    8,686.32/13,026.75 = 2,841.57/x
  3. Step 3: Cross multiply
    8,686.32x = 13,026.75 × 2,841.57
  4. Step 4: Simplify right side
    8,686.32x = 37,016,342.66
  5. Step 5: Solve for x
    x = 37,016,342.66/8,686.32
  6. Step 6: Final answer
    x = 4,261.45

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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.