Home / 6,819.24-9,412.26-4,168.20

Finding the Fourth Proportional to 6,819.24, 9,412.26 and 4,168.20

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Solution

The fourth proportional to 6,819.24, 9,412.26 and 4,168.20 is: 5,753.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,819.24 : 9,412.26 = 4,168.20 : x
  2. Step 2: Convert to fraction form
    6,819.24/9,412.26 = 4,168.20/x
  3. Step 3: Cross multiply
    6,819.24x = 9,412.26 × 4,168.20
  4. Step 4: Simplify right side
    6,819.24x = 39,232,182.13
  5. Step 5: Solve for x
    x = 39,232,182.13/6,819.24
  6. Step 6: Final answer
    x = 5,753.16

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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.