Home / 5,256-7,253.28-2,898.12

Finding the Fourth Proportional to 5,256, 7,253.28 and 2,898.12

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Solution

The fourth proportional to 5,256, 7,253.28 and 2,898.12 is: 3,999.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,256 : 7,253.28 = 2,898.12 : x
  2. Step 2: Convert to fraction form
    5,256/7,253.28 = 2,898.12/x
  3. Step 3: Cross multiply
    5,256x = 7,253.28 × 2,898.12
  4. Step 4: Simplify right side
    5,256x = 21,020,875.83
  5. Step 5: Solve for x
    x = 21,020,875.83/5,256
  6. Step 6: Final answer
    x = 3,999.41

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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.