Home / 5,461.38-7,536.70-2,977.38

Finding the Fourth Proportional to 5,461.38, 7,536.70 and 2,977.38

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Solution

The fourth proportional to 5,461.38, 7,536.70 and 2,977.38 is: 4,108.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,461.38 : 7,536.70 = 2,977.38 : x
  2. Step 2: Convert to fraction form
    5,461.38/7,536.70 = 2,977.38/x
  3. Step 3: Cross multiply
    5,461.38x = 7,536.70 × 2,977.38
  4. Step 4: Simplify right side
    5,461.38x = 22,439,619.85
  5. Step 5: Solve for x
    x = 22,439,619.85/5,461.38
  6. Step 6: Final answer
    x = 4,108.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.