Home / 5,007.90-6,908.59-3,240.07

Finding the Fourth Proportional to 5,007.90, 6,908.59 and 3,240.07

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Solution

The fourth proportional to 5,007.90, 6,908.59 and 3,240.07 is: 4,469.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,007.90 : 6,908.59 = 3,240.07 : x
  2. Step 2: Convert to fraction form
    5,007.90/6,908.59 = 3,240.07/x
  3. Step 3: Cross multiply
    5,007.90x = 6,908.59 × 3,240.07
  4. Step 4: Simplify right side
    5,007.90x = 22,384,315.20
  5. Step 5: Solve for x
    x = 22,384,315.20/5,007.90
  6. Step 6: Final answer
    x = 4,469.80

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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.