Home / 4,885.19-6,743.90-2,788.91

Finding the Fourth Proportional to 4,885.19, 6,743.90 and 2,788.91

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Solution

The fourth proportional to 4,885.19, 6,743.90 and 2,788.91 is: 3,850.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,885.19 : 6,743.90 = 2,788.91 : x
  2. Step 2: Convert to fraction form
    4,885.19/6,743.90 = 2,788.91/x
  3. Step 3: Cross multiply
    4,885.19x = 6,743.90 × 2,788.91
  4. Step 4: Simplify right side
    4,885.19x = 18,808,130.15
  5. Step 5: Solve for x
    x = 18,808,130.15/4,885.19
  6. Step 6: Final answer
    x = 3,850.03

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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.