Home / 6,914.28-10,371.43-1,720.16

Finding the Fourth Proportional to 6,914.28, 10,371.43 and 1,720.16

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Solution

The fourth proportional to 6,914.28, 10,371.43 and 1,720.16 is: 2,580.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,914.28 : 10,371.43 = 1,720.16 : x
  2. Step 2: Convert to fraction form
    6,914.28/10,371.43 = 1,720.16/x
  3. Step 3: Cross multiply
    6,914.28x = 10,371.43 × 1,720.16
  4. Step 4: Simplify right side
    6,914.28x = 17,840,508.21
  5. Step 5: Solve for x
    x = 17,840,508.21/6,914.28
  6. Step 6: Final answer
    x = 2,580.24

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Similar ratio
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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.