Home / 4,205.32-6,312.11-3,208.87

Finding the Fourth Proportional to 4,205.32, 6,312.11 and 3,208.87

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Solution

The fourth proportional to 4,205.32, 6,312.11 and 3,208.87 is: 4,816.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,205.32 : 6,312.11 = 3,208.87 : x
  2. Step 2: Convert to fraction form
    4,205.32/6,312.11 = 3,208.87/x
  3. Step 3: Cross multiply
    4,205.32x = 6,312.11 × 3,208.87
  4. Step 4: Simplify right side
    4,205.32x = 20,254,740.42
  5. Step 5: Solve for x
    x = 20,254,740.42/4,205.32
  6. Step 6: Final answer
    x = 4,816.46

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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.