Home / 4,426.74-6,640.10-1,960.89

Finding the Fourth Proportional to 4,426.74, 6,640.10 and 1,960.89

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Solution

The fourth proportional to 4,426.74, 6,640.10 and 1,960.89 is: 2,941.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,426.74 : 6,640.10 = 1,960.89 : x
  2. Step 2: Convert to fraction form
    4,426.74/6,640.10 = 1,960.89/x
  3. Step 3: Cross multiply
    4,426.74x = 6,640.10 × 1,960.89
  4. Step 4: Simplify right side
    4,426.74x = 13,020,495.88
  5. Step 5: Solve for x
    x = 13,020,495.88/4,426.74
  6. Step 6: Final answer
    x = 2,941.33

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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.