Home / 5,256.28-7,253.72-2,898.51

Finding the Fourth Proportional to 5,256.28, 7,253.72 and 2,898.51

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Solution

The fourth proportional to 5,256.28, 7,253.72 and 2,898.51 is: 3,999.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,256.28 : 7,253.72 = 2,898.51 : x
  2. Step 2: Convert to fraction form
    5,256.28/7,253.72 = 2,898.51/x
  3. Step 3: Cross multiply
    5,256.28x = 7,253.72 × 2,898.51
  4. Step 4: Simplify right side
    5,256.28x = 21,024,979.96
  5. Step 5: Solve for x
    x = 21,024,979.96/5,256.28
  6. Step 6: Final answer
    x = 3,999.97

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1.5x scale

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.