Home / 7,670.60-11,505.89-2,406.02

Finding the Fourth Proportional to 7,670.60, 11,505.89 and 2,406.02

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Solution

The fourth proportional to 7,670.60, 11,505.89 and 2,406.02 is: 3,609.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,670.60 : 11,505.89 = 2,406.02 : x
  2. Step 2: Convert to fraction form
    7,670.60/11,505.89 = 2,406.02/x
  3. Step 3: Cross multiply
    7,670.60x = 11,505.89 × 2,406.02
  4. Step 4: Simplify right side
    7,670.60x = 27,683,331.90
  5. Step 5: Solve for x
    x = 27,683,331.90/7,670.60
  6. Step 6: Final answer
    x = 3,609.02

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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.