Home / 4,239.47-6,360.20-1,317.62

Finding the Fourth Proportional to 4,239.47, 6,360.20 and 1,317.62

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Solution

The fourth proportional to 4,239.47, 6,360.20 and 1,317.62 is: 1,976.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,239.47 : 6,360.20 = 1,317.62 : x
  2. Step 2: Convert to fraction form
    4,239.47/6,360.20 = 1,317.62/x
  3. Step 3: Cross multiply
    4,239.47x = 6,360.20 × 1,317.62
  4. Step 4: Simplify right side
    4,239.47x = 8,380,326.72
  5. Step 5: Solve for x
    x = 8,380,326.72/4,239.47
  6. Step 6: Final answer
    x = 1,976.74

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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.