Home / 4,240.86-6,360.20-1,317.66

Finding the Fourth Proportional to 4,240.86, 6,360.20 and 1,317.66

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Solution

The fourth proportional to 4,240.86, 6,360.20 and 1,317.66 is: 1,976.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,240.86 : 6,360.20 = 1,317.66 : x
  2. Step 2: Convert to fraction form
    4,240.86/6,360.20 = 1,317.66/x
  3. Step 3: Cross multiply
    4,240.86x = 6,360.20 × 1,317.66
  4. Step 4: Simplify right side
    4,240.86x = 8,380,581.13
  5. Step 5: Solve for x
    x = 8,380,581.13/4,240.86
  6. Step 6: Final answer
    x = 1,976.15

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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.