Home / 5,719.55-8,579.38-2,019.18

Finding the Fourth Proportional to 5,719.55, 8,579.38 and 2,019.18

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Solution

The fourth proportional to 5,719.55, 8,579.38 and 2,019.18 is: 3,028.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,719.55 : 8,579.38 = 2,019.18 : x
  2. Step 2: Convert to fraction form
    5,719.55/8,579.38 = 2,019.18/x
  3. Step 3: Cross multiply
    5,719.55x = 8,579.38 × 2,019.18
  4. Step 4: Simplify right side
    5,719.55x = 17,323,312.51
  5. Step 5: Solve for x
    x = 17,323,312.51/5,719.55
  6. Step 6: Final answer
    x = 3,028.79

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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.