Home / 6,840.79-9,434.36-4,449.88

Finding the Fourth Proportional to 6,840.79, 9,434.36 and 4,449.88

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Solution

The fourth proportional to 6,840.79, 9,434.36 and 4,449.88 is: 6,136.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,840.79 : 9,434.36 = 4,449.88 : x
  2. Step 2: Convert to fraction form
    6,840.79/9,434.36 = 4,449.88/x
  3. Step 3: Cross multiply
    6,840.79x = 9,434.36 × 4,449.88
  4. Step 4: Simplify right side
    6,840.79x = 41,981,769.88
  5. Step 5: Solve for x
    x = 41,981,769.88/6,840.79
  6. Step 6: Final answer
    x = 6,136.98

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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.