Home / 7,002.18-10,502.92-2,619.29

Finding the Fourth Proportional to 7,002.18, 10,502.92 and 2,619.29

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Solution

The fourth proportional to 7,002.18, 10,502.92 and 2,619.29 is: 3,928.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,002.18 : 10,502.92 = 2,619.29 : x
  2. Step 2: Convert to fraction form
    7,002.18/10,502.92 = 2,619.29/x
  3. Step 3: Cross multiply
    7,002.18x = 10,502.92 × 2,619.29
  4. Step 4: Simplify right side
    7,002.18x = 27,510,213.04
  5. Step 5: Solve for x
    x = 27,510,213.04/7,002.18
  6. Step 6: Final answer
    x = 3,928.81

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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.