Home / 7,371.76-10,172.92-4,387.56

Finding the Fourth Proportional to 7,371.76, 10,172.92 and 4,387.56

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Solution

The fourth proportional to 7,371.76, 10,172.92 and 4,387.56 is: 6,054.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,371.76 : 10,172.92 = 4,387.56 : x
  2. Step 2: Convert to fraction form
    7,371.76/10,172.92 = 4,387.56/x
  3. Step 3: Cross multiply
    7,371.76x = 10,172.92 × 4,387.56
  4. Step 4: Simplify right side
    7,371.76x = 44,634,296.88
  5. Step 5: Solve for x
    x = 44,634,296.88/7,371.76
  6. Step 6: Final answer
    x = 6,054.77

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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.