Home / 5,001.38-6,901.90-2,905.64

Finding the Fourth Proportional to 5,001.38, 6,901.90 and 2,905.64

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Solution

The fourth proportional to 5,001.38, 6,901.90 and 2,905.64 is: 4,009.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,001.38 : 6,901.90 = 2,905.64 : x
  2. Step 2: Convert to fraction form
    5,001.38/6,901.90 = 2,905.64/x
  3. Step 3: Cross multiply
    5,001.38x = 6,901.90 × 2,905.64
  4. Step 4: Simplify right side
    5,001.38x = 20,054,394.94
  5. Step 5: Solve for x
    x = 20,054,394.94/5,001.38
  6. Step 6: Final answer
    x = 4,009.78

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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.