Home / 4,140.72-6,212.09-1,508.63

Finding the Fourth Proportional to 4,140.72, 6,212.09 and 1,508.63

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Solution

The fourth proportional to 4,140.72, 6,212.09 and 1,508.63 is: 2,263.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,140.72 : 6,212.09 = 1,508.63 : x
  2. Step 2: Convert to fraction form
    4,140.72/6,212.09 = 1,508.63/x
  3. Step 3: Cross multiply
    4,140.72x = 6,212.09 × 1,508.63
  4. Step 4: Simplify right side
    4,140.72x = 9,371,718.05
  5. Step 5: Solve for x
    x = 9,371,718.05/4,140.72
  6. Step 6: Final answer
    x = 2,263.31

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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.