Home / 7,675.61-11,518.88-3,294.32

Finding the Fourth Proportional to 7,675.61, 11,518.88 and 3,294.32

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Solution

The fourth proportional to 7,675.61, 11,518.88 and 3,294.32 is: 4,943.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,675.61 : 11,518.88 = 3,294.32 : x
  2. Step 2: Convert to fraction form
    7,675.61/11,518.88 = 3,294.32/x
  3. Step 3: Cross multiply
    7,675.61x = 11,518.88 × 3,294.32
  4. Step 4: Simplify right side
    7,675.61x = 37,946,802.70
  5. Step 5: Solve for x
    x = 37,946,802.70/7,675.61
  6. Step 6: Final answer
    x = 4,943.82

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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.