Home / 4,206.60-6,309.90-1,611.36

Finding the Fourth Proportional to 4,206.60, 6,309.90 and 1,611.36

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Solution

The fourth proportional to 4,206.60, 6,309.90 and 1,611.36 is: 2,417.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,206.60 : 6,309.90 = 1,611.36 : x
  2. Step 2: Convert to fraction form
    4,206.60/6,309.90 = 1,611.36/x
  3. Step 3: Cross multiply
    4,206.60x = 6,309.90 × 1,611.36
  4. Step 4: Simplify right side
    4,206.60x = 10,167,520.46
  5. Step 5: Solve for x
    x = 10,167,520.46/4,206.60
  6. Step 6: Final answer
    x = 2,417.04

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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.