Home / 8,431.99-12,637.51-4,736.87

Finding the Fourth Proportional to 8,431.99, 12,637.51 and 4,736.87

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Solution

The fourth proportional to 8,431.99, 12,637.51 and 4,736.87 is: 7,099.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,431.99 : 12,637.51 = 4,736.87 : x
  2. Step 2: Convert to fraction form
    8,431.99/12,637.51 = 4,736.87/x
  3. Step 3: Cross multiply
    8,431.99x = 12,637.51 × 4,736.87
  4. Step 4: Simplify right side
    8,431.99x = 59,862,243.24
  5. Step 5: Solve for x
    x = 59,862,243.24/8,431.99
  6. Step 6: Final answer
    x = 7,099.42

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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.