Home / 7,079.30-10,619.50-2,149.34

Finding the Fourth Proportional to 7,079.30, 10,619.50 and 2,149.34

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Solution

The fourth proportional to 7,079.30, 10,619.50 and 2,149.34 is: 3,224.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,079.30 : 10,619.50 = 2,149.34 : x
  2. Step 2: Convert to fraction form
    7,079.30/10,619.50 = 2,149.34/x
  3. Step 3: Cross multiply
    7,079.30x = 10,619.50 × 2,149.34
  4. Step 4: Simplify right side
    7,079.30x = 22,824,916.13
  5. Step 5: Solve for x
    x = 22,824,916.13/7,079.30
  6. Step 6: Final answer
    x = 3,224.18

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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.