Home / 6,986.12-10,468.88-5,222.85

Finding the Fourth Proportional to 6,986.12, 10,468.88 and 5,222.85

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Solution

The fourth proportional to 6,986.12, 10,468.88 and 5,222.85 is: 7,826.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,986.12 : 10,468.88 = 5,222.85 : x
  2. Step 2: Convert to fraction form
    6,986.12/10,468.88 = 5,222.85/x
  3. Step 3: Cross multiply
    6,986.12x = 10,468.88 × 5,222.85
  4. Step 4: Simplify right side
    6,986.12x = 54,677,344.12
  5. Step 5: Solve for x
    x = 54,677,344.12/6,986.12
  6. Step 6: Final answer
    x = 7,826.57

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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.