Home / 4,239.96-6,360.62-1,317.66

Finding the Fourth Proportional to 4,239.96, 6,360.62 and 1,317.66

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Solution

The fourth proportional to 4,239.96, 6,360.62 and 1,317.66 is: 1,976.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,239.96 : 6,360.62 = 1,317.66 : x
  2. Step 2: Convert to fraction form
    4,239.96/6,360.62 = 1,317.66/x
  3. Step 3: Cross multiply
    4,239.96x = 6,360.62 × 1,317.66
  4. Step 4: Simplify right side
    4,239.96x = 8,381,134.55
  5. Step 5: Solve for x
    x = 8,381,134.55/4,239.96
  6. Step 6: Final answer
    x = 1,976.70

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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.