Home / 7,437.72-10,265.48-4,919.92

Finding the Fourth Proportional to 7,437.72, 10,265.48 and 4,919.92

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Solution

The fourth proportional to 7,437.72, 10,265.48 and 4,919.92 is: 6,790.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,437.72 : 10,265.48 = 4,919.92 : x
  2. Step 2: Convert to fraction form
    7,437.72/10,265.48 = 4,919.92/x
  3. Step 3: Cross multiply
    7,437.72x = 10,265.48 × 4,919.92
  4. Step 4: Simplify right side
    7,437.72x = 50,505,340.36
  5. Step 5: Solve for x
    x = 50,505,340.36/7,437.72
  6. Step 6: Final answer
    x = 6,790.43

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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.