Home / 5,619.57-8,427.74-1,724.28

Finding the Fourth Proportional to 5,619.57, 8,427.74 and 1,724.28

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Solution

The fourth proportional to 5,619.57, 8,427.74 and 1,724.28 is: 2,585.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619.57 : 8,427.74 = 1,724.28 : x
  2. Step 2: Convert to fraction form
    5,619.57/8,427.74 = 1,724.28/x
  3. Step 3: Cross multiply
    5,619.57x = 8,427.74 × 1,724.28
  4. Step 4: Simplify right side
    5,619.57x = 14,531,774.91
  5. Step 5: Solve for x
    x = 14,531,774.91/5,619.57
  6. Step 6: Final answer
    x = 2,585.92

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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.