Home / 5,117.44-7,679.94-3,477.28

Finding the Fourth Proportional to 5,117.44, 7,679.94 and 3,477.28

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Solution

The fourth proportional to 5,117.44, 7,679.94 and 3,477.28 is: 5,218.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,117.44 : 7,679.94 = 3,477.28 : x
  2. Step 2: Convert to fraction form
    5,117.44/7,679.94 = 3,477.28/x
  3. Step 3: Cross multiply
    5,117.44x = 7,679.94 × 3,477.28
  4. Step 4: Simplify right side
    5,117.44x = 26,705,301.76
  5. Step 5: Solve for x
    x = 26,705,301.76/5,117.44
  6. Step 6: Final answer
    x = 5,218.49

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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.