Home / 4,276.72-6,418.74-1,681.48

Finding the Fourth Proportional to 4,276.72, 6,418.74 and 1,681.48

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Solution

The fourth proportional to 4,276.72, 6,418.74 and 1,681.48 is: 2,523.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,276.72 : 6,418.74 = 1,681.48 : x
  2. Step 2: Convert to fraction form
    4,276.72/6,418.74 = 1,681.48/x
  3. Step 3: Cross multiply
    4,276.72x = 6,418.74 × 1,681.48
  4. Step 4: Simplify right side
    4,276.72x = 10,792,982.94
  5. Step 5: Solve for x
    x = 10,792,982.94/4,276.72
  6. Step 6: Final answer
    x = 2,523.66

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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.