Home / 7,626.09-11,419.11-6,137.40

Finding the Fourth Proportional to 7,626.09, 11,419.11 and 6,137.40

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Solution

The fourth proportional to 7,626.09, 11,419.11 and 6,137.40 is: 9,189.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,626.09 : 11,419.11 = 6,137.40 : x
  2. Step 2: Convert to fraction form
    7,626.09/11,419.11 = 6,137.40/x
  3. Step 3: Cross multiply
    7,626.09x = 11,419.11 × 6,137.40
  4. Step 4: Simplify right side
    7,626.09x = 70,083,645.71
  5. Step 5: Solve for x
    x = 70,083,645.71/7,626.09
  6. Step 6: Final answer
    x = 9,189.98

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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.