Home / 5,255.88-7,253.12-2,898.08

Finding the Fourth Proportional to 5,255.88, 7,253.12 and 2,898.08

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Solution

The fourth proportional to 5,255.88, 7,253.12 and 2,898.08 is: 3,999.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,255.88 : 7,253.12 = 2,898.08 : x
  2. Step 2: Convert to fraction form
    5,255.88/7,253.12 = 2,898.08/x
  3. Step 3: Cross multiply
    5,255.88x = 7,253.12 × 2,898.08
  4. Step 4: Simplify right side
    5,255.88x = 21,020,122.01
  5. Step 5: Solve for x
    x = 21,020,122.01/5,255.88
  6. Step 6: Final answer
    x = 3,999.35

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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.