Home / 4,410.25-6,615.38-1,978.25

Finding the Fourth Proportional to 4,410.25, 6,615.38 and 1,978.25

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Solution

The fourth proportional to 4,410.25, 6,615.38 and 1,978.25 is: 2,967.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,410.25 : 6,615.38 = 1,978.25 : x
  2. Step 2: Convert to fraction form
    4,410.25/6,615.38 = 1,978.25/x
  3. Step 3: Cross multiply
    4,410.25x = 6,615.38 × 1,978.25
  4. Step 4: Simplify right side
    4,410.25x = 13,086,865.59
  5. Step 5: Solve for x
    x = 13,086,865.59/4,410.25
  6. Step 6: Final answer
    x = 2,967.38

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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.