Home / 4,209.89-6,343.34-3,495.47

Finding the Fourth Proportional to 4,209.89, 6,343.34 and 3,495.47

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Solution

The fourth proportional to 4,209.89, 6,343.34 and 3,495.47 is: 5,266.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,209.89 : 6,343.34 = 3,495.47 : x
  2. Step 2: Convert to fraction form
    4,209.89/6,343.34 = 3,495.47/x
  3. Step 3: Cross multiply
    4,209.89x = 6,343.34 × 3,495.47
  4. Step 4: Simplify right side
    4,209.89x = 22,172,905.48
  5. Step 5: Solve for x
    x = 22,172,905.48/4,209.89
  6. Step 6: Final answer
    x = 5,266.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.