Home / 4,078.40-6,118.62-1,156.64

Finding the Fourth Proportional to 4,078.40, 6,118.62 and 1,156.64

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Solution

The fourth proportional to 4,078.40, 6,118.62 and 1,156.64 is: 1,735.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.40 : 6,118.62 = 1,156.64 : x
  2. Step 2: Convert to fraction form
    4,078.40/6,118.62 = 1,156.64/x
  3. Step 3: Cross multiply
    4,078.40x = 6,118.62 × 1,156.64
  4. Step 4: Simplify right side
    4,078.40x = 7,077,040.64
  5. Step 5: Solve for x
    x = 7,077,040.64/4,078.40
  6. Step 6: Final answer
    x = 1,735.25

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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.