Home / 5,164.35-7,129.74-3,401.07

Finding the Fourth Proportional to 5,164.35, 7,129.74 and 3,401.07

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Solution

The fourth proportional to 5,164.35, 7,129.74 and 3,401.07 is: 4,695.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,164.35 : 7,129.74 = 3,401.07 : x
  2. Step 2: Convert to fraction form
    5,164.35/7,129.74 = 3,401.07/x
  3. Step 3: Cross multiply
    5,164.35x = 7,129.74 × 3,401.07
  4. Step 4: Simplify right side
    5,164.35x = 24,248,744.82
  5. Step 5: Solve for x
    x = 24,248,744.82/5,164.35
  6. Step 6: Final answer
    x = 4,695.41

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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.