Home / 4,408.78-6,086.95-2,918.70

Finding the Fourth Proportional to 4,408.78, 6,086.95 and 2,918.70

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Solution

The fourth proportional to 4,408.78, 6,086.95 and 2,918.70 is: 4,029.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,408.78 : 6,086.95 = 2,918.70 : x
  2. Step 2: Convert to fraction form
    4,408.78/6,086.95 = 2,918.70/x
  3. Step 3: Cross multiply
    4,408.78x = 6,086.95 × 2,918.70
  4. Step 4: Simplify right side
    4,408.78x = 17,765,973.67
  5. Step 5: Solve for x
    x = 17,765,973.67/4,408.78
  6. Step 6: Final answer
    x = 4,029.68

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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.