Home / 7,742.41-10,679.09-4,759.89

Finding the Fourth Proportional to 7,742.41, 10,679.09 and 4,759.89

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Solution

The fourth proportional to 7,742.41, 10,679.09 and 4,759.89 is: 6,565.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,742.41 : 10,679.09 = 4,759.89 : x
  2. Step 2: Convert to fraction form
    7,742.41/10,679.09 = 4,759.89/x
  3. Step 3: Cross multiply
    7,742.41x = 10,679.09 × 4,759.89
  4. Step 4: Simplify right side
    7,742.41x = 50,831,229.85
  5. Step 5: Solve for x
    x = 50,831,229.85/7,742.41
  6. Step 6: Final answer
    x = 6,565.30

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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.