Home / 7,686.60-11,522.52-4,905.42

Finding the Fourth Proportional to 7,686.60, 11,522.52 and 4,905.42

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Solution

The fourth proportional to 7,686.60, 11,522.52 and 4,905.42 is: 7,353.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,686.60 : 11,522.52 = 4,905.42 : x
  2. Step 2: Convert to fraction form
    7,686.60/11,522.52 = 4,905.42/x
  3. Step 3: Cross multiply
    7,686.60x = 11,522.52 × 4,905.42
  4. Step 4: Simplify right side
    7,686.60x = 56,522,800.06
  5. Step 5: Solve for x
    x = 56,522,800.06/7,686.60
  6. Step 6: Final answer
    x = 7,353.42

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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.