Home / 7,348.55-11,019.35-2,847.71

Finding the Fourth Proportional to 7,348.55, 11,019.35 and 2,847.71

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Solution

The fourth proportional to 7,348.55, 11,019.35 and 2,847.71 is: 4,270.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,348.55 : 11,019.35 = 2,847.71 : x
  2. Step 2: Convert to fraction form
    7,348.55/11,019.35 = 2,847.71/x
  3. Step 3: Cross multiply
    7,348.55x = 11,019.35 × 2,847.71
  4. Step 4: Simplify right side
    7,348.55x = 31,379,926.50
  5. Step 5: Solve for x
    x = 31,379,926.50/7,348.55
  6. Step 6: Final answer
    x = 4,270.22

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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.