Home / 5,164.26-7,126.49-2,806.35

Finding the Fourth Proportional to 5,164.26, 7,126.49 and 2,806.35

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Solution

The fourth proportional to 5,164.26, 7,126.49 and 2,806.35 is: 3,872.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,164.26 : 7,126.49 = 2,806.35 : x
  2. Step 2: Convert to fraction form
    5,164.26/7,126.49 = 2,806.35/x
  3. Step 3: Cross multiply
    5,164.26x = 7,126.49 × 2,806.35
  4. Step 4: Simplify right side
    5,164.26x = 19,999,411.18
  5. Step 5: Solve for x
    x = 19,999,411.18/5,164.26
  6. Step 6: Final answer
    x = 3,872.66

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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.