Home / 4,760.38-7,140.76-1,297.62

Finding the Fourth Proportional to 4,760.38, 7,140.76 and 1,297.62

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Solution

The fourth proportional to 4,760.38, 7,140.76 and 1,297.62 is: 1,946.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,760.38 : 7,140.76 = 1,297.62 : x
  2. Step 2: Convert to fraction form
    4,760.38/7,140.76 = 1,297.62/x
  3. Step 3: Cross multiply
    4,760.38x = 7,140.76 × 1,297.62
  4. Step 4: Simplify right side
    4,760.38x = 9,265,992.99
  5. Step 5: Solve for x
    x = 9,265,992.99/4,760.38
  6. Step 6: Final answer
    x = 1,946.48

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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.