Home / 8,686.83-13,031.45-2,841.51

Finding the Fourth Proportional to 8,686.83, 13,031.45 and 2,841.51

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Solution

The fourth proportional to 8,686.83, 13,031.45 and 2,841.51 is: 4,262.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,686.83 : 13,031.45 = 2,841.51 : x
  2. Step 2: Convert to fraction form
    8,686.83/13,031.45 = 2,841.51/x
  3. Step 3: Cross multiply
    8,686.83x = 13,031.45 × 2,841.51
  4. Step 4: Simplify right side
    8,686.83x = 37,028,981.28
  5. Step 5: Solve for x
    x = 37,028,981.28/8,686.83
  6. Step 6: Final answer
    x = 4,262.66

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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.