Home / 6,317.15-8,717.67-3,664.76

Finding the Fourth Proportional to 6,317.15, 8,717.67 and 3,664.76

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Solution

The fourth proportional to 6,317.15, 8,717.67 and 3,664.76 is: 5,057.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,317.15 : 8,717.67 = 3,664.76 : x
  2. Step 2: Convert to fraction form
    6,317.15/8,717.67 = 3,664.76/x
  3. Step 3: Cross multiply
    6,317.15x = 8,717.67 × 3,664.76
  4. Step 4: Simplify right side
    6,317.15x = 31,948,124.72
  5. Step 5: Solve for x
    x = 31,948,124.72/6,317.15
  6. Step 6: Final answer
    x = 5,057.37

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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.