Home / 5,229.32-7,844.08-1,719.50

Finding the Fourth Proportional to 5,229.32, 7,844.08 and 1,719.50

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Solution

The fourth proportional to 5,229.32, 7,844.08 and 1,719.50 is: 2,579.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,229.32 : 7,844.08 = 1,719.50 : x
  2. Step 2: Convert to fraction form
    5,229.32/7,844.08 = 1,719.50/x
  3. Step 3: Cross multiply
    5,229.32x = 7,844.08 × 1,719.50
  4. Step 4: Simplify right side
    5,229.32x = 13,487,895.56
  5. Step 5: Solve for x
    x = 13,487,895.56/5,229.32
  6. Step 6: Final answer
    x = 2,579.28

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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.