Home / 5,395.34-7,444.44-3,156.79

Finding the Fourth Proportional to 5,395.34, 7,444.44 and 3,156.79

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Solution

The fourth proportional to 5,395.34, 7,444.44 and 3,156.79 is: 4,355.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,395.34 : 7,444.44 = 3,156.79 : x
  2. Step 2: Convert to fraction form
    5,395.34/7,444.44 = 3,156.79/x
  3. Step 3: Cross multiply
    5,395.34x = 7,444.44 × 3,156.79
  4. Step 4: Simplify right side
    5,395.34x = 23,500,496.53
  5. Step 5: Solve for x
    x = 23,500,496.53/5,395.34
  6. Step 6: Final answer
    x = 4,355.71

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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.