Home / 7,438.03-11,156.74-2,507.66

Finding the Fourth Proportional to 7,438.03, 11,156.74 and 2,507.66

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Solution

The fourth proportional to 7,438.03, 11,156.74 and 2,507.66 is: 3,761.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,438.03 : 11,156.74 = 2,507.66 : x
  2. Step 2: Convert to fraction form
    7,438.03/11,156.74 = 2,507.66/x
  3. Step 3: Cross multiply
    7,438.03x = 11,156.74 × 2,507.66
  4. Step 4: Simplify right side
    7,438.03x = 27,977,290.41
  5. Step 5: Solve for x
    x = 27,977,290.41/7,438.03
  6. Step 6: Final answer
    x = 3,761.39

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1.5x scale

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.