Home / 5,620.08-8,429.76-1,724.16

Finding the Fourth Proportional to 5,620.08, 8,429.76 and 1,724.16

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Solution

The fourth proportional to 5,620.08, 8,429.76 and 1,724.16 is: 2,586.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,620.08 : 8,429.76 = 1,724.16 : x
  2. Step 2: Convert to fraction form
    5,620.08/8,429.76 = 1,724.16/x
  3. Step 3: Cross multiply
    5,620.08x = 8,429.76 × 1,724.16
  4. Step 4: Simplify right side
    5,620.08x = 14,534,255.00
  5. Step 5: Solve for x
    x = 14,534,255.00/5,620.08
  6. Step 6: Final answer
    x = 2,586.13

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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.