Home / 5,351.30-8,026.80-2,429.60

Finding the Fourth Proportional to 5,351.30, 8,026.80 and 2,429.60

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Solution

The fourth proportional to 5,351.30, 8,026.80 and 2,429.60 is: 3,644.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,351.30 : 8,026.80 = 2,429.60 : x
  2. Step 2: Convert to fraction form
    5,351.30/8,026.80 = 2,429.60/x
  3. Step 3: Cross multiply
    5,351.30x = 8,026.80 × 2,429.60
  4. Step 4: Simplify right side
    5,351.30x = 19,501,913.28
  5. Step 5: Solve for x
    x = 19,501,913.28/5,351.30
  6. Step 6: Final answer
    x = 3,644.33

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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.