Home / 7,768.19-11,635.85-6,281.03

Finding the Fourth Proportional to 7,768.19, 11,635.85 and 6,281.03

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Solution

The fourth proportional to 7,768.19, 11,635.85 and 6,281.03 is: 9,408.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,768.19 : 11,635.85 = 6,281.03 : x
  2. Step 2: Convert to fraction form
    7,768.19/11,635.85 = 6,281.03/x
  3. Step 3: Cross multiply
    7,768.19x = 11,635.85 × 6,281.03
  4. Step 4: Simplify right side
    7,768.19x = 73,085,167.72
  5. Step 5: Solve for x
    x = 73,085,167.72/7,768.19
  6. Step 6: Final answer
    x = 9,408.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.