Home / 4,206.10-6,309.15-3,115.30

Finding the Fourth Proportional to 4,206.10, 6,309.15 and 3,115.30

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Solution

The fourth proportional to 4,206.10, 6,309.15 and 3,115.30 is: 4,672.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,206.10 : 6,309.15 = 3,115.30 : x
  2. Step 2: Convert to fraction form
    4,206.10/6,309.15 = 3,115.30/x
  3. Step 3: Cross multiply
    4,206.10x = 6,309.15 × 3,115.30
  4. Step 4: Simplify right side
    4,206.10x = 19,654,895.00
  5. Step 5: Solve for x
    x = 19,654,895.00/4,206.10
  6. Step 6: Final answer
    x = 4,672.95

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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.