Home / 5,719.72-7,895.16-3,362.56

Finding the Fourth Proportional to 5,719.72, 7,895.16 and 3,362.56

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Solution

The fourth proportional to 5,719.72, 7,895.16 and 3,362.56 is: 4,641.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,719.72 : 7,895.16 = 3,362.56 : x
  2. Step 2: Convert to fraction form
    5,719.72/7,895.16 = 3,362.56/x
  3. Step 3: Cross multiply
    5,719.72x = 7,895.16 × 3,362.56
  4. Step 4: Simplify right side
    5,719.72x = 26,547,949.21
  5. Step 5: Solve for x
    x = 26,547,949.21/5,719.72
  6. Step 6: Final answer
    x = 4,641.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.