Home / 7,436.31-11,145.35-4,472.93

Finding the Fourth Proportional to 7,436.31, 11,145.35 and 4,472.93

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Solution

The fourth proportional to 7,436.31, 11,145.35 and 4,472.93 is: 6,703.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,436.31 : 11,145.35 = 4,472.93 : x
  2. Step 2: Convert to fraction form
    7,436.31/11,145.35 = 4,472.93/x
  3. Step 3: Cross multiply
    7,436.31x = 11,145.35 × 4,472.93
  4. Step 4: Simplify right side
    7,436.31x = 49,852,370.38
  5. Step 5: Solve for x
    x = 49,852,370.38/7,436.31
  6. Step 6: Final answer
    x = 6,703.91

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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.