Home / 6,781.48-10,170.30-4,827.88

Finding the Fourth Proportional to 6,781.48, 10,170.30 and 4,827.88

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Solution

The fourth proportional to 6,781.48, 10,170.30 and 4,827.88 is: 7,240.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,781.48 : 10,170.30 = 4,827.88 : x
  2. Step 2: Convert to fraction form
    6,781.48/10,170.30 = 4,827.88/x
  3. Step 3: Cross multiply
    6,781.48x = 10,170.30 × 4,827.88
  4. Step 4: Simplify right side
    6,781.48x = 49,100,987.96
  5. Step 5: Solve for x
    x = 49,100,987.96/6,781.48
  6. Step 6: Final answer
    x = 7,240.45

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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.