Home / 5,217.60-7,827.62-1,707.59

Finding the Fourth Proportional to 5,217.60, 7,827.62 and 1,707.59

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Solution

The fourth proportional to 5,217.60, 7,827.62 and 1,707.59 is: 2,561.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217.60 : 7,827.62 = 1,707.59 : x
  2. Step 2: Convert to fraction form
    5,217.60/7,827.62 = 1,707.59/x
  3. Step 3: Cross multiply
    5,217.60x = 7,827.62 × 1,707.59
  4. Step 4: Simplify right side
    5,217.60x = 13,366,376.67
  5. Step 5: Solve for x
    x = 13,366,376.67/5,217.60
  6. Step 6: Final answer
    x = 2,561.79

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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.