Home / 5,161.64-7,123.51-2,923.91

Finding the Fourth Proportional to 5,161.64, 7,123.51 and 2,923.91

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Solution

The fourth proportional to 5,161.64, 7,123.51 and 2,923.91 is: 4,035.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,161.64 : 7,123.51 = 2,923.91 : x
  2. Step 2: Convert to fraction form
    5,161.64/7,123.51 = 2,923.91/x
  3. Step 3: Cross multiply
    5,161.64x = 7,123.51 × 2,923.91
  4. Step 4: Simplify right side
    5,161.64x = 20,828,502.12
  5. Step 5: Solve for x
    x = 20,828,502.12/5,161.64
  6. Step 6: Final answer
    x = 4,035.25

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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.