Home / 7,513.45-11,263.38-3,813.73

Finding the Fourth Proportional to 7,513.45, 11,263.38 and 3,813.73

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Solution

The fourth proportional to 7,513.45, 11,263.38 and 3,813.73 is: 5,717.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,513.45 : 11,263.38 = 3,813.73 : x
  2. Step 2: Convert to fraction form
    7,513.45/11,263.38 = 3,813.73/x
  3. Step 3: Cross multiply
    7,513.45x = 11,263.38 × 3,813.73
  4. Step 4: Simplify right side
    7,513.45x = 42,955,490.21
  5. Step 5: Solve for x
    x = 42,955,490.21/7,513.45
  6. Step 6: Final answer
    x = 5,717.15

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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.