Home / 5,778.39-8,659.59-3,307.98

Finding the Fourth Proportional to 5,778.39, 8,659.59 and 3,307.98

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Solution

The fourth proportional to 5,778.39, 8,659.59 and 3,307.98 is: 4,957.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,778.39 : 8,659.59 = 3,307.98 : x
  2. Step 2: Convert to fraction form
    5,778.39/8,659.59 = 3,307.98/x
  3. Step 3: Cross multiply
    5,778.39x = 8,659.59 × 3,307.98
  4. Step 4: Simplify right side
    5,778.39x = 28,645,750.53
  5. Step 5: Solve for x
    x = 28,645,750.53/5,778.39
  6. Step 6: Final answer
    x = 4,957.39

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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.