Home / 4,748.10-6,551.60-2,758.20

Finding the Fourth Proportional to 4,748.10, 6,551.60 and 2,758.20

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Solution

The fourth proportional to 4,748.10, 6,551.60 and 2,758.20 is: 3,805.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,748.10 : 6,551.60 = 2,758.20 : x
  2. Step 2: Convert to fraction form
    4,748.10/6,551.60 = 2,758.20/x
  3. Step 3: Cross multiply
    4,748.10x = 6,551.60 × 2,758.20
  4. Step 4: Simplify right side
    4,748.10x = 18,070,609.33
  5. Step 5: Solve for x
    x = 18,070,609.33/4,748.10
  6. Step 6: Final answer
    x = 3,805.86

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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.