Home / 7,777.17-10,732.44-4,240.32

Finding the Fourth Proportional to 7,777.17, 10,732.44 and 4,240.32

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Solution

The fourth proportional to 7,777.17, 10,732.44 and 4,240.32 is: 5,851.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,777.17 : 10,732.44 = 4,240.32 : x
  2. Step 2: Convert to fraction form
    7,777.17/10,732.44 = 4,240.32/x
  3. Step 3: Cross multiply
    7,777.17x = 10,732.44 × 4,240.32
  4. Step 4: Simplify right side
    7,777.17x = 45,508,979.98
  5. Step 5: Solve for x
    x = 45,508,979.98/7,777.17
  6. Step 6: Final answer
    x = 5,851.61

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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.