Home / 8,684.31-13,026.47-2,110.45

Finding the Fourth Proportional to 8,684.31, 13,026.47 and 2,110.45

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Solution

The fourth proportional to 8,684.31, 13,026.47 and 2,110.45 is: 3,165.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,684.31 : 13,026.47 = 2,110.45 : x
  2. Step 2: Convert to fraction form
    8,684.31/13,026.47 = 2,110.45/x
  3. Step 3: Cross multiply
    8,684.31x = 13,026.47 × 2,110.45
  4. Step 4: Simplify right side
    8,684.31x = 27,491,713.61
  5. Step 5: Solve for x
    x = 27,491,713.61/8,684.31
  6. Step 6: Final answer
    x = 3,165.68

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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.