Home / 7,438.48-11,154.08-3,685.91

Finding the Fourth Proportional to 7,438.48, 11,154.08 and 3,685.91

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Solution

The fourth proportional to 7,438.48, 11,154.08 and 3,685.91 is: 5,527.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,438.48 : 11,154.08 = 3,685.91 : x
  2. Step 2: Convert to fraction form
    7,438.48/11,154.08 = 3,685.91/x
  3. Step 3: Cross multiply
    7,438.48x = 11,154.08 × 3,685.91
  4. Step 4: Simplify right side
    7,438.48x = 41,112,916.58
  5. Step 5: Solve for x
    x = 41,112,916.58/7,438.48
  6. Step 6: Final answer
    x = 5,527.06

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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.