Home / 7,380.20-11,077.24-4,916.76

Finding the Fourth Proportional to 7,380.20, 11,077.24 and 4,916.76

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Solution

The fourth proportional to 7,380.20, 11,077.24 and 4,916.76 is: 7,379.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,380.20 : 11,077.24 = 4,916.76 : x
  2. Step 2: Convert to fraction form
    7,380.20/11,077.24 = 4,916.76/x
  3. Step 3: Cross multiply
    7,380.20x = 11,077.24 × 4,916.76
  4. Step 4: Simplify right side
    7,380.20x = 54,464,130.54
  5. Step 5: Solve for x
    x = 54,464,130.54/7,380.20
  6. Step 6: Final answer
    x = 7,379.76

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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.