Home / 7,860.27-11,806.84-6,630.08

Finding the Fourth Proportional to 7,860.27, 11,806.84 and 6,630.08

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Solution

The fourth proportional to 7,860.27, 11,806.84 and 6,630.08 is: 9,958.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,860.27 : 11,806.84 = 6,630.08 : x
  2. Step 2: Convert to fraction form
    7,860.27/11,806.84 = 6,630.08/x
  3. Step 3: Cross multiply
    7,860.27x = 11,806.84 × 6,630.08
  4. Step 4: Simplify right side
    7,860.27x = 78,280,293.75
  5. Step 5: Solve for x
    x = 78,280,293.75/7,860.27
  6. Step 6: Final answer
    x = 9,958.98

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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.