Home / 7,776.68-10,731.93-4,240.07

Finding the Fourth Proportional to 7,776.68, 10,731.93 and 4,240.07

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Solution

The fourth proportional to 7,776.68, 10,731.93 and 4,240.07 is: 5,851.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,776.68 : 10,731.93 = 4,240.07 : x
  2. Step 2: Convert to fraction form
    7,776.68/10,731.93 = 4,240.07/x
  3. Step 3: Cross multiply
    7,776.68x = 10,731.93 × 4,240.07
  4. Step 4: Simplify right side
    7,776.68x = 45,504,134.44
  5. Step 5: Solve for x
    x = 45,504,134.44/7,776.68
  6. Step 6: Final answer
    x = 5,851.36

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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.