Home / 4,316.24-6,475.32-1,238

Finding the Fourth Proportional to 4,316.24, 6,475.32 and 1,238

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Solution

The fourth proportional to 4,316.24, 6,475.32 and 1,238 is: 1,857.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,316.24 : 6,475.32 = 1,238 : x
  2. Step 2: Convert to fraction form
    4,316.24/6,475.32 = 1,238/x
  3. Step 3: Cross multiply
    4,316.24x = 6,475.32 × 1,238
  4. Step 4: Simplify right side
    4,316.24x = 8,016,446.16
  5. Step 5: Solve for x
    x = 8,016,446.16/4,316.24
  6. Step 6: Final answer
    x = 1,857.28

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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.