Home / 8,913.36-13,362.93-4,231.02

Finding the Fourth Proportional to 8,913.36, 13,362.93 and 4,231.02

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Solution

The fourth proportional to 8,913.36, 13,362.93 and 4,231.02 is: 6,343.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,913.36 : 13,362.93 = 4,231.02 : x
  2. Step 2: Convert to fraction form
    8,913.36/13,362.93 = 4,231.02/x
  3. Step 3: Cross multiply
    8,913.36x = 13,362.93 × 4,231.02
  4. Step 4: Simplify right side
    8,913.36x = 56,538,824.09
  5. Step 5: Solve for x
    x = 56,538,824.09/8,913.36
  6. Step 6: Final answer
    x = 6,343.16

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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.