Home / 4,203.71-6,305.63-3,421.77

Finding the Fourth Proportional to 4,203.71, 6,305.63 and 3,421.77

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Solution

The fourth proportional to 4,203.71, 6,305.63 and 3,421.77 is: 5,132.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,203.71 : 6,305.63 = 3,421.77 : x
  2. Step 2: Convert to fraction form
    4,203.71/6,305.63 = 3,421.77/x
  3. Step 3: Cross multiply
    4,203.71x = 6,305.63 × 3,421.77
  4. Step 4: Simplify right side
    4,203.71x = 21,576,398.46
  5. Step 5: Solve for x
    x = 21,576,398.46/4,203.71
  6. Step 6: Final answer
    x = 5,132.71

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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.