Home / 7,770.84-11,658.03-2,840.47

Finding the Fourth Proportional to 7,770.84, 11,658.03 and 2,840.47

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Solution

The fourth proportional to 7,770.84, 11,658.03 and 2,840.47 is: 4,261.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,770.84 : 11,658.03 = 2,840.47 : x
  2. Step 2: Convert to fraction form
    7,770.84/11,658.03 = 2,840.47/x
  3. Step 3: Cross multiply
    7,770.84x = 11,658.03 × 2,840.47
  4. Step 4: Simplify right side
    7,770.84x = 33,114,244.68
  5. Step 5: Solve for x
    x = 33,114,244.68/7,770.84
  6. Step 6: Final answer
    x = 4,261.35

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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.