Home / 4,238.40-6,345.86-3,195.24

Finding the Fourth Proportional to 4,238.40, 6,345.86 and 3,195.24

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Solution

The fourth proportional to 4,238.40, 6,345.86 and 3,195.24 is: 4,784.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,238.40 : 6,345.86 = 3,195.24 : x
  2. Step 2: Convert to fraction form
    4,238.40/6,345.86 = 3,195.24/x
  3. Step 3: Cross multiply
    4,238.40x = 6,345.86 × 3,195.24
  4. Step 4: Simplify right side
    4,238.40x = 20,276,545.71
  5. Step 5: Solve for x
    x = 20,276,545.71/4,238.40
  6. Step 6: Final answer
    x = 4,784.01

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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.