Home / 4,206.57-6,309.99-1,285.08

Finding the Fourth Proportional to 4,206.57, 6,309.99 and 1,285.08

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Solution

The fourth proportional to 4,206.57, 6,309.99 and 1,285.08 is: 1,927.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,206.57 : 6,309.99 = 1,285.08 : x
  2. Step 2: Convert to fraction form
    4,206.57/6,309.99 = 1,285.08/x
  3. Step 3: Cross multiply
    4,206.57x = 6,309.99 × 1,285.08
  4. Step 4: Simplify right side
    4,206.57x = 8,108,841.95
  5. Step 5: Solve for x
    x = 8,108,841.95/4,206.57
  6. Step 6: Final answer
    x = 1,927.66

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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.