Home / 8,985.15-13,471.35-3,433.82

Finding the Fourth Proportional to 8,985.15, 13,471.35 and 3,433.82

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Solution

The fourth proportional to 8,985.15, 13,471.35 and 3,433.82 is: 5,148.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,985.15 : 13,471.35 = 3,433.82 : x
  2. Step 2: Convert to fraction form
    8,985.15/13,471.35 = 3,433.82/x
  3. Step 3: Cross multiply
    8,985.15x = 13,471.35 × 3,433.82
  4. Step 4: Simplify right side
    8,985.15x = 46,258,163.20
  5. Step 5: Solve for x
    x = 46,258,163.20/8,985.15
  6. Step 6: Final answer
    x = 5,148.29

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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.