Home / 4,192.65-6,290.33-2,807.55

Finding the Fourth Proportional to 4,192.65, 6,290.33 and 2,807.55

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Solution

The fourth proportional to 4,192.65, 6,290.33 and 2,807.55 is: 4,212.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,192.65 : 6,290.33 = 2,807.55 : x
  2. Step 2: Convert to fraction form
    4,192.65/6,290.33 = 2,807.55/x
  3. Step 3: Cross multiply
    4,192.65x = 6,290.33 × 2,807.55
  4. Step 4: Simplify right side
    4,192.65x = 17,660,401.95
  5. Step 5: Solve for x
    x = 17,660,401.95/4,192.65
  6. Step 6: Final answer
    x = 4,212.23

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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.