Home / 7,581.64-11,385.24-4,953.64

Finding the Fourth Proportional to 7,581.64, 11,385.24 and 4,953.64

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Solution

The fourth proportional to 7,581.64, 11,385.24 and 4,953.64 is: 7,438.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,581.64 : 11,385.24 = 4,953.64 : x
  2. Step 2: Convert to fraction form
    7,581.64/11,385.24 = 4,953.64/x
  3. Step 3: Cross multiply
    7,581.64x = 11,385.24 × 4,953.64
  4. Step 4: Simplify right side
    7,581.64x = 56,398,380.27
  5. Step 5: Solve for x
    x = 56,398,380.27/7,581.64
  6. Step 6: Final answer
    x = 7,438.81

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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.