Home / 8,512.05-11,748.57-4,977.30

Finding the Fourth Proportional to 8,512.05, 11,748.57 and 4,977.30

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Solution

The fourth proportional to 8,512.05, 11,748.57 and 4,977.30 is: 6,869.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,512.05 : 11,748.57 = 4,977.30 : x
  2. Step 2: Convert to fraction form
    8,512.05/11,748.57 = 4,977.30/x
  3. Step 3: Cross multiply
    8,512.05x = 11,748.57 × 4,977.30
  4. Step 4: Simplify right side
    8,512.05x = 58,476,157.46
  5. Step 5: Solve for x
    x = 58,476,157.46/8,512.05
  6. Step 6: Final answer
    x = 6,869.81

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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.