Home / 5,127.54-7,693.44-2,457.78

Finding the Fourth Proportional to 5,127.54, 7,693.44 and 2,457.78

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Solution

The fourth proportional to 5,127.54, 7,693.44 and 2,457.78 is: 3,687.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,127.54 : 7,693.44 = 2,457.78 : x
  2. Step 2: Convert to fraction form
    5,127.54/7,693.44 = 2,457.78/x
  3. Step 3: Cross multiply
    5,127.54x = 7,693.44 × 2,457.78
  4. Step 4: Simplify right side
    5,127.54x = 18,908,782.96
  5. Step 5: Solve for x
    x = 18,908,782.96/5,127.54
  6. Step 6: Final answer
    x = 3,687.69

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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.