Home / 6,470.94-9,704.79-2,087.22

Finding the Fourth Proportional to 6,470.94, 9,704.79 and 2,087.22

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Solution

The fourth proportional to 6,470.94, 9,704.79 and 2,087.22 is: 3,130.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,470.94 : 9,704.79 = 2,087.22 : x
  2. Step 2: Convert to fraction form
    6,470.94/9,704.79 = 2,087.22/x
  3. Step 3: Cross multiply
    6,470.94x = 9,704.79 × 2,087.22
  4. Step 4: Simplify right side
    6,470.94x = 20,256,031.78
  5. Step 5: Solve for x
    x = 20,256,031.78/6,470.94
  6. Step 6: Final answer
    x = 3,130.31

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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.