Home / 7,513.47-11,270.84-2,770.92

Finding the Fourth Proportional to 7,513.47, 11,270.84 and 2,770.92

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Solution

The fourth proportional to 7,513.47, 11,270.84 and 2,770.92 is: 4,156.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,513.47 : 11,270.84 = 2,770.92 : x
  2. Step 2: Convert to fraction form
    7,513.47/11,270.84 = 2,770.92/x
  3. Step 3: Cross multiply
    7,513.47x = 11,270.84 × 2,770.92
  4. Step 4: Simplify right side
    7,513.47x = 31,230,582.12
  5. Step 5: Solve for x
    x = 31,230,582.12/7,513.47
  6. Step 6: Final answer
    x = 4,156.61

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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.