Home / 4,228.47-6,343.92-1,307.34

Finding the Fourth Proportional to 4,228.47, 6,343.92 and 1,307.34

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Solution

The fourth proportional to 4,228.47, 6,343.92 and 1,307.34 is: 1,961.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,228.47 : 6,343.92 = 1,307.34 : x
  2. Step 2: Convert to fraction form
    4,228.47/6,343.92 = 1,307.34/x
  3. Step 3: Cross multiply
    4,228.47x = 6,343.92 × 1,307.34
  4. Step 4: Simplify right side
    4,228.47x = 8,293,660.37
  5. Step 5: Solve for x
    x = 8,293,660.37/4,228.47
  6. Step 6: Final answer
    x = 1,961.39

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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.