Home / 5,257.74-7,253.64-3,018.80

Finding the Fourth Proportional to 5,257.74, 7,253.64 and 3,018.80

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Solution

The fourth proportional to 5,257.74, 7,253.64 and 3,018.80 is: 4,164.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,257.74 : 7,253.64 = 3,018.80 : x
  2. Step 2: Convert to fraction form
    5,257.74/7,253.64 = 3,018.80/x
  3. Step 3: Cross multiply
    5,257.74x = 7,253.64 × 3,018.80
  4. Step 4: Simplify right side
    5,257.74x = 21,897,288.43
  5. Step 5: Solve for x
    x = 21,897,288.43/5,257.74
  6. Step 6: Final answer
    x = 4,164.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.