Home / 4,813.36-7,220.40-1,350.88

Finding the Fourth Proportional to 4,813.36, 7,220.40 and 1,350.88

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Solution

The fourth proportional to 4,813.36, 7,220.40 and 1,350.88 is: 2,026.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,813.36 : 7,220.40 = 1,350.88 : x
  2. Step 2: Convert to fraction form
    4,813.36/7,220.40 = 1,350.88/x
  3. Step 3: Cross multiply
    4,813.36x = 7,220.40 × 1,350.88
  4. Step 4: Simplify right side
    4,813.36x = 9,753,893.95
  5. Step 5: Solve for x
    x = 9,753,893.95/4,813.36
  6. Step 6: Final answer
    x = 2,026.42

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1.5x scale

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.