Home / 5,026.36-7,539.72-2,100.64

Finding the Fourth Proportional to 5,026.36, 7,539.72 and 2,100.64

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Solution

The fourth proportional to 5,026.36, 7,539.72 and 2,100.64 is: 3,151.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,026.36 : 7,539.72 = 2,100.64 : x
  2. Step 2: Convert to fraction form
    5,026.36/7,539.72 = 2,100.64/x
  3. Step 3: Cross multiply
    5,026.36x = 7,539.72 × 2,100.64
  4. Step 4: Simplify right side
    5,026.36x = 15,838,237.42
  5. Step 5: Solve for x
    x = 15,838,237.42/5,026.36
  6. Step 6: Final answer
    x = 3,151.04

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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.