Home / 7,209.45-10,798.65-4,087.85

Finding the Fourth Proportional to 7,209.45, 10,798.65 and 4,087.85

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Solution

The fourth proportional to 7,209.45, 10,798.65 and 4,087.85 is: 6,122.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,209.45 : 10,798.65 = 4,087.85 : x
  2. Step 2: Convert to fraction form
    7,209.45/10,798.65 = 4,087.85/x
  3. Step 3: Cross multiply
    7,209.45x = 10,798.65 × 4,087.85
  4. Step 4: Simplify right side
    7,209.45x = 44,143,207.41
  5. Step 5: Solve for x
    x = 44,143,207.41/7,209.45
  6. Step 6: Final answer
    x = 6,122.96

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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.