Home / 4,078.32-6,116.08-1,480.64

Finding the Fourth Proportional to 4,078.32, 6,116.08 and 1,480.64

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Solution

The fourth proportional to 4,078.32, 6,116.08 and 1,480.64 is: 2,220.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.32 : 6,116.08 = 1,480.64 : x
  2. Step 2: Convert to fraction form
    4,078.32/6,116.08 = 1,480.64/x
  3. Step 3: Cross multiply
    4,078.32x = 6,116.08 × 1,480.64
  4. Step 4: Simplify right side
    4,078.32x = 9,055,712.69
  5. Step 5: Solve for x
    x = 9,055,712.69/4,078.32
  6. Step 6: Final answer
    x = 2,220.45

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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.