Home / 8,433.31-11,638.75-6,305.15

Finding the Fourth Proportional to 8,433.31, 11,638.75 and 6,305.15

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Solution

The fourth proportional to 8,433.31, 11,638.75 and 6,305.15 is: 8,701.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,433.31 : 11,638.75 = 6,305.15 : x
  2. Step 2: Convert to fraction form
    8,433.31/11,638.75 = 6,305.15/x
  3. Step 3: Cross multiply
    8,433.31x = 11,638.75 × 6,305.15
  4. Step 4: Simplify right side
    8,433.31x = 73,384,064.56
  5. Step 5: Solve for x
    x = 73,384,064.56/8,433.31
  6. Step 6: Final answer
    x = 8,701.69

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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.