Home / 5,256-7,253.31-2,898.10

Finding the Fourth Proportional to 5,256, 7,253.31 and 2,898.10

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Solution

The fourth proportional to 5,256, 7,253.31 and 2,898.10 is: 3,999.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,256 : 7,253.31 = 2,898.10 : x
  2. Step 2: Convert to fraction form
    5,256/7,253.31 = 2,898.10/x
  3. Step 3: Cross multiply
    5,256x = 7,253.31 × 2,898.10
  4. Step 4: Simplify right side
    5,256x = 21,020,817.71
  5. Step 5: Solve for x
    x = 21,020,817.71/5,256
  6. Step 6: Final answer
    x = 3,999.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.