Home / 4,971.42-7,460.27-2,781.58

Finding the Fourth Proportional to 4,971.42, 7,460.27 and 2,781.58

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Solution

The fourth proportional to 4,971.42, 7,460.27 and 2,781.58 is: 4,174.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,971.42 : 7,460.27 = 2,781.58 : x
  2. Step 2: Convert to fraction form
    4,971.42/7,460.27 = 2,781.58/x
  3. Step 3: Cross multiply
    4,971.42x = 7,460.27 × 2,781.58
  4. Step 4: Simplify right side
    4,971.42x = 20,751,337.83
  5. Step 5: Solve for x
    x = 20,751,337.83/4,971.42
  6. Step 6: Final answer
    x = 4,174.13

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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.