Home / 7,777.22-10,732.50-4,240.49

Finding the Fourth Proportional to 7,777.22, 10,732.50 and 4,240.49

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Solution

The fourth proportional to 7,777.22, 10,732.50 and 4,240.49 is: 5,851.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,777.22 : 10,732.50 = 4,240.49 : x
  2. Step 2: Convert to fraction form
    7,777.22/10,732.50 = 4,240.49/x
  3. Step 3: Cross multiply
    7,777.22x = 10,732.50 × 4,240.49
  4. Step 4: Simplify right side
    7,777.22x = 45,511,005.26
  5. Step 5: Solve for x
    x = 45,511,005.26/7,777.22
  6. Step 6: Final answer
    x = 5,851.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.