Home / 6,984.17-10,476.38-1,719.20

Finding the Fourth Proportional to 6,984.17, 10,476.38 and 1,719.20

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Solution

The fourth proportional to 6,984.17, 10,476.38 and 1,719.20 is: 2,578.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,984.17 : 10,476.38 = 1,719.20 : x
  2. Step 2: Convert to fraction form
    6,984.17/10,476.38 = 1,719.20/x
  3. Step 3: Cross multiply
    6,984.17x = 10,476.38 × 1,719.20
  4. Step 4: Simplify right side
    6,984.17x = 18,011,010.09
  5. Step 5: Solve for x
    x = 18,011,010.09/6,984.17
  6. Step 6: Final answer
    x = 2,578.83

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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.