Home / 6,425.40-9,623.70-3,343.80

Finding the Fourth Proportional to 6,425.40, 9,623.70 and 3,343.80

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Solution

The fourth proportional to 6,425.40, 9,623.70 and 3,343.80 is: 5,008.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,425.40 : 9,623.70 = 3,343.80 : x
  2. Step 2: Convert to fraction form
    6,425.40/9,623.70 = 3,343.80/x
  3. Step 3: Cross multiply
    6,425.40x = 9,623.70 × 3,343.80
  4. Step 4: Simplify right side
    6,425.40x = 32,179,728.06
  5. Step 5: Solve for x
    x = 32,179,728.06/6,425.40
  6. Step 6: Final answer
    x = 5,008.21

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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.