Home / 7,371.05-10,171.93-4,013.88

Finding the Fourth Proportional to 7,371.05, 10,171.93 and 4,013.88

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Solution

The fourth proportional to 7,371.05, 10,171.93 and 4,013.88 is: 5,539.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,371.05 : 10,171.93 = 4,013.88 : x
  2. Step 2: Convert to fraction form
    7,371.05/10,171.93 = 4,013.88/x
  3. Step 3: Cross multiply
    7,371.05x = 10,171.93 × 4,013.88
  4. Step 4: Simplify right side
    7,371.05x = 40,828,886.32
  5. Step 5: Solve for x
    x = 40,828,886.32/7,371.05
  6. Step 6: Final answer
    x = 5,539.09

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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.