Home / 8,466.15-11,682.96-4,689.47

Finding the Fourth Proportional to 8,466.15, 11,682.96 and 4,689.47

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Solution

The fourth proportional to 8,466.15, 11,682.96 and 4,689.47 is: 6,471.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,466.15 : 11,682.96 = 4,689.47 : x
  2. Step 2: Convert to fraction form
    8,466.15/11,682.96 = 4,689.47/x
  3. Step 3: Cross multiply
    8,466.15x = 11,682.96 × 4,689.47
  4. Step 4: Simplify right side
    8,466.15x = 54,786,890.43
  5. Step 5: Solve for x
    x = 54,786,890.43/8,466.15
  6. Step 6: Final answer
    x = 6,471.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.