Home / 4,238.56-6,358.74-1,317.16

Finding the Fourth Proportional to 4,238.56, 6,358.74 and 1,317.16

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Solution

The fourth proportional to 4,238.56, 6,358.74 and 1,317.16 is: 1,976.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,238.56 : 6,358.74 = 1,317.16 : x
  2. Step 2: Convert to fraction form
    4,238.56/6,358.74 = 1,317.16/x
  3. Step 3: Cross multiply
    4,238.56x = 6,358.74 × 1,317.16
  4. Step 4: Simplify right side
    4,238.56x = 8,375,477.98
  5. Step 5: Solve for x
    x = 8,375,477.98/4,238.56
  6. Step 6: Final answer
    x = 1,976.02

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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.