Home / 6,712.05-9,261.95-3,919.17

Finding the Fourth Proportional to 6,712.05, 9,261.95 and 3,919.17

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Solution

The fourth proportional to 6,712.05, 9,261.95 and 3,919.17 is: 5,408.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,712.05 : 9,261.95 = 3,919.17 : x
  2. Step 2: Convert to fraction form
    6,712.05/9,261.95 = 3,919.17/x
  3. Step 3: Cross multiply
    6,712.05x = 9,261.95 × 3,919.17
  4. Step 4: Simplify right side
    6,712.05x = 36,299,156.58
  5. Step 5: Solve for x
    x = 36,299,156.58/6,712.05
  6. Step 6: Final answer
    x = 5,408.06

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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.