Home / 8,074.17-11,137.50-4,885.20

Finding the Fourth Proportional to 8,074.17, 11,137.50 and 4,885.20

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Solution

The fourth proportional to 8,074.17, 11,137.50 and 4,885.20 is: 6,738.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,074.17 : 11,137.50 = 4,885.20 : x
  2. Step 2: Convert to fraction form
    8,074.17/11,137.50 = 4,885.20/x
  3. Step 3: Cross multiply
    8,074.17x = 11,137.50 × 4,885.20
  4. Step 4: Simplify right side
    8,074.17x = 54,408,915
  5. Step 5: Solve for x
    x = 54,408,915/8,074.17
  6. Step 6: Final answer
    x = 6,738.64

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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.