Home / 5,133.66-7,698.98-2,211.29

Finding the Fourth Proportional to 5,133.66, 7,698.98 and 2,211.29

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Solution

The fourth proportional to 5,133.66, 7,698.98 and 2,211.29 is: 3,316.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,133.66 : 7,698.98 = 2,211.29 : x
  2. Step 2: Convert to fraction form
    5,133.66/7,698.98 = 2,211.29/x
  3. Step 3: Cross multiply
    5,133.66x = 7,698.98 × 2,211.29
  4. Step 4: Simplify right side
    5,133.66x = 17,024,627.93
  5. Step 5: Solve for x
    x = 17,024,627.93/5,133.66
  6. Step 6: Final answer
    x = 3,316.27

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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.