Home / 6,916.31-10,372.18-2,235.21

Finding the Fourth Proportional to 6,916.31, 10,372.18 and 2,235.21

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Solution

The fourth proportional to 6,916.31, 10,372.18 and 2,235.21 is: 3,352.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,916.31 : 10,372.18 = 2,235.21 : x
  2. Step 2: Convert to fraction form
    6,916.31/10,372.18 = 2,235.21/x
  3. Step 3: Cross multiply
    6,916.31x = 10,372.18 × 2,235.21
  4. Step 4: Simplify right side
    6,916.31x = 23,184,000.46
  5. Step 5: Solve for x
    x = 23,184,000.46/6,916.31
  6. Step 6: Final answer
    x = 3,352.08

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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.