Home / 7,089.40-9,766.50-4,960.96

Finding the Fourth Proportional to 7,089.40, 9,766.50 and 4,960.96

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Solution

The fourth proportional to 7,089.40, 9,766.50 and 4,960.96 is: 6,834.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,089.40 : 9,766.50 = 4,960.96 : x
  2. Step 2: Convert to fraction form
    7,089.40/9,766.50 = 4,960.96/x
  3. Step 3: Cross multiply
    7,089.40x = 9,766.50 × 4,960.96
  4. Step 4: Simplify right side
    7,089.40x = 48,451,215.84
  5. Step 5: Solve for x
    x = 48,451,215.84/7,089.40
  6. Step 6: Final answer
    x = 6,834.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.