Home / 5,620.52-8,430.84-1,724.96

Finding the Fourth Proportional to 5,620.52, 8,430.84 and 1,724.96

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Solution

The fourth proportional to 5,620.52, 8,430.84 and 1,724.96 is: 2,587.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,620.52 : 8,430.84 = 1,724.96 : x
  2. Step 2: Convert to fraction form
    5,620.52/8,430.84 = 1,724.96/x
  3. Step 3: Cross multiply
    5,620.52x = 8,430.84 × 1,724.96
  4. Step 4: Simplify right side
    5,620.52x = 14,542,861.77
  5. Step 5: Solve for x
    x = 14,542,861.77/5,620.52
  6. Step 6: Final answer
    x = 2,587.46

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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.