Home / 4,270.32-6,403.68-1,805.04

Finding the Fourth Proportional to 4,270.32, 6,403.68 and 1,805.04

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Solution

The fourth proportional to 4,270.32, 6,403.68 and 1,805.04 is: 2,706.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,270.32 : 6,403.68 = 1,805.04 : x
  2. Step 2: Convert to fraction form
    4,270.32/6,403.68 = 1,805.04/x
  3. Step 3: Cross multiply
    4,270.32x = 6,403.68 × 1,805.04
  4. Step 4: Simplify right side
    4,270.32x = 11,558,898.55
  5. Step 5: Solve for x
    x = 11,558,898.55/4,270.32
  6. Step 6: Final answer
    x = 2,706.80

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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.