Home / 7,971.24-12,003.17-5,905.89

Finding the Fourth Proportional to 7,971.24, 12,003.17 and 5,905.89

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Solution

The fourth proportional to 7,971.24, 12,003.17 and 5,905.89 is: 8,893.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,971.24 : 12,003.17 = 5,905.89 : x
  2. Step 2: Convert to fraction form
    7,971.24/12,003.17 = 5,905.89/x
  3. Step 3: Cross multiply
    7,971.24x = 12,003.17 × 5,905.89
  4. Step 4: Simplify right side
    7,971.24x = 70,889,372.14
  5. Step 5: Solve for x
    x = 70,889,372.14/7,971.24
  6. Step 6: Final answer
    x = 8,893.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.