Home / 7,677.85-11,516.31-4,517.06

Finding the Fourth Proportional to 7,677.85, 11,516.31 and 4,517.06

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Solution

The fourth proportional to 7,677.85, 11,516.31 and 4,517.06 is: 6,775.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,677.85 : 11,516.31 = 4,517.06 : x
  2. Step 2: Convert to fraction form
    7,677.85/11,516.31 = 4,517.06/x
  3. Step 3: Cross multiply
    7,677.85x = 11,516.31 × 4,517.06
  4. Step 4: Simplify right side
    7,677.85x = 52,019,863.25
  5. Step 5: Solve for x
    x = 52,019,863.25/7,677.85
  6. Step 6: Final answer
    x = 6,775.32

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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.