Home / 7,247.76-10,857.81-3,907.73

Finding the Fourth Proportional to 7,247.76, 10,857.81 and 3,907.73

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Solution

The fourth proportional to 7,247.76, 10,857.81 and 3,907.73 is: 5,854.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,247.76 : 10,857.81 = 3,907.73 : x
  2. Step 2: Convert to fraction form
    7,247.76/10,857.81 = 3,907.73/x
  3. Step 3: Cross multiply
    7,247.76x = 10,857.81 × 3,907.73
  4. Step 4: Simplify right side
    7,247.76x = 42,429,335.58
  5. Step 5: Solve for x
    x = 42,429,335.58/7,247.76
  6. Step 6: Final answer
    x = 5,854.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.