Home / 8,746.31-13,121.53-2,902.94

Finding the Fourth Proportional to 8,746.31, 13,121.53 and 2,902.94

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Solution

The fourth proportional to 8,746.31, 13,121.53 and 2,902.94 is: 4,355.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,746.31 : 13,121.53 = 2,902.94 : x
  2. Step 2: Convert to fraction form
    8,746.31/13,121.53 = 2,902.94/x
  3. Step 3: Cross multiply
    8,746.31x = 13,121.53 × 2,902.94
  4. Step 4: Simplify right side
    8,746.31x = 38,090,990.64
  5. Step 5: Solve for x
    x = 38,090,990.64/8,746.31
  6. Step 6: Final answer
    x = 4,355.09

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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.