Home / 5,856.46-8,784.70-2,157.08

Finding the Fourth Proportional to 5,856.46, 8,784.70 and 2,157.08

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Solution

The fourth proportional to 5,856.46, 8,784.70 and 2,157.08 is: 3,235.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,856.46 : 8,784.70 = 2,157.08 : x
  2. Step 2: Convert to fraction form
    5,856.46/8,784.70 = 2,157.08/x
  3. Step 3: Cross multiply
    5,856.46x = 8,784.70 × 2,157.08
  4. Step 4: Simplify right side
    5,856.46x = 18,949,300.68
  5. Step 5: Solve for x
    x = 18,949,300.68/5,856.46
  6. Step 6: Final answer
    x = 3,235.62

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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.