Home / 7,018.91-10,520.27-2,633.57

Finding the Fourth Proportional to 7,018.91, 10,520.27 and 2,633.57

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Solution

The fourth proportional to 7,018.91, 10,520.27 and 2,633.57 is: 3,947.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,018.91 : 10,520.27 = 2,633.57 : x
  2. Step 2: Convert to fraction form
    7,018.91/10,520.27 = 2,633.57/x
  3. Step 3: Cross multiply
    7,018.91x = 10,520.27 × 2,633.57
  4. Step 4: Simplify right side
    7,018.91x = 27,705,854.30
  5. Step 5: Solve for x
    x = 27,705,854.30/7,018.91
  6. Step 6: Final answer
    x = 3,947.32

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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.