Home / 4,231.51-6,342.10-3,188.16

Finding the Fourth Proportional to 4,231.51, 6,342.10 and 3,188.16

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Solution

The fourth proportional to 4,231.51, 6,342.10 and 3,188.16 is: 4,778.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,231.51 : 6,342.10 = 3,188.16 : x
  2. Step 2: Convert to fraction form
    4,231.51/6,342.10 = 3,188.16/x
  3. Step 3: Cross multiply
    4,231.51x = 6,342.10 × 3,188.16
  4. Step 4: Simplify right side
    4,231.51x = 20,219,621.57
  5. Step 5: Solve for x
    x = 20,219,621.57/4,231.51
  6. Step 6: Final answer
    x = 4,778.35

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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.