Home / 5,177.59-7,145.83-2,939.01

Finding the Fourth Proportional to 5,177.59, 7,145.83 and 2,939.01

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Solution

The fourth proportional to 5,177.59, 7,145.83 and 2,939.01 is: 4,056.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.59 : 7,145.83 = 2,939.01 : x
  2. Step 2: Convert to fraction form
    5,177.59/7,145.83 = 2,939.01/x
  3. Step 3: Cross multiply
    5,177.59x = 7,145.83 × 2,939.01
  4. Step 4: Simplify right side
    5,177.59x = 21,001,642.71
  5. Step 5: Solve for x
    x = 21,001,642.71/5,177.59
  6. Step 6: Final answer
    x = 4,056.26

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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.