Home / 5,287.01-7,292.78-3,401.05

Finding the Fourth Proportional to 5,287.01, 7,292.78 and 3,401.05

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Solution

The fourth proportional to 5,287.01, 7,292.78 and 3,401.05 is: 4,691.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,287.01 : 7,292.78 = 3,401.05 : x
  2. Step 2: Convert to fraction form
    5,287.01/7,292.78 = 3,401.05/x
  3. Step 3: Cross multiply
    5,287.01x = 7,292.78 × 3,401.05
  4. Step 4: Simplify right side
    5,287.01x = 24,803,110.65
  5. Step 5: Solve for x
    x = 24,803,110.65/5,287.01
  6. Step 6: Final answer
    x = 4,691.33

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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.