Home / 5,164.01-7,126.14-2,806.10

Finding the Fourth Proportional to 5,164.01, 7,126.14 and 2,806.10

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Solution

The fourth proportional to 5,164.01, 7,126.14 and 2,806.10 is: 3,872.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,164.01 : 7,126.14 = 2,806.10 : x
  2. Step 2: Convert to fraction form
    5,164.01/7,126.14 = 2,806.10/x
  3. Step 3: Cross multiply
    5,164.01x = 7,126.14 × 2,806.10
  4. Step 4: Simplify right side
    5,164.01x = 19,996,661.45
  5. Step 5: Solve for x
    x = 19,996,661.45/5,164.01
  6. Step 6: Final answer
    x = 3,872.31

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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.