Home / 8,682.36-13,018.29-3,411.06

Finding the Fourth Proportional to 8,682.36, 13,018.29 and 3,411.06

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Solution

The fourth proportional to 8,682.36, 13,018.29 and 3,411.06 is: 5,114.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,682.36 : 13,018.29 = 3,411.06 : x
  2. Step 2: Convert to fraction form
    8,682.36/13,018.29 = 3,411.06/x
  3. Step 3: Cross multiply
    8,682.36x = 13,018.29 × 3,411.06
  4. Step 4: Simplify right side
    8,682.36x = 44,406,168.29
  5. Step 5: Solve for x
    x = 44,406,168.29/8,682.36
  6. Step 6: Final answer
    x = 5,114.53

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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.