Home / 7,461.30-11,187.84-3,077.76

Finding the Fourth Proportional to 7,461.30, 11,187.84 and 3,077.76

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Solution

The fourth proportional to 7,461.30, 11,187.84 and 3,077.76 is: 4,614.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,461.30 : 11,187.84 = 3,077.76 : x
  2. Step 2: Convert to fraction form
    7,461.30/11,187.84 = 3,077.76/x
  3. Step 3: Cross multiply
    7,461.30x = 11,187.84 × 3,077.76
  4. Step 4: Simplify right side
    7,461.30x = 34,433,486.44
  5. Step 5: Solve for x
    x = 34,433,486.44/7,461.30
  6. Step 6: Final answer
    x = 4,614.94

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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.