Home / 8,686.83-13,029.33-2,446.68

Finding the Fourth Proportional to 8,686.83, 13,029.33 and 2,446.68

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Solution

The fourth proportional to 8,686.83, 13,029.33 and 2,446.68 is: 3,669.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,686.83 : 13,029.33 = 2,446.68 : x
  2. Step 2: Convert to fraction form
    8,686.83/13,029.33 = 2,446.68/x
  3. Step 3: Cross multiply
    8,686.83x = 13,029.33 × 2,446.68
  4. Step 4: Simplify right side
    8,686.83x = 31,878,601.12
  5. Step 5: Solve for x
    x = 31,878,601.12/8,686.83
  6. Step 6: Final answer
    x = 3,669.76

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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.