Home / 4,078.79-6,118.18-1,156.71

Finding the Fourth Proportional to 4,078.79, 6,118.18 and 1,156.71

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Solution

The fourth proportional to 4,078.79, 6,118.18 and 1,156.71 is: 1,735.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.79 : 6,118.18 = 1,156.71 : x
  2. Step 2: Convert to fraction form
    4,078.79/6,118.18 = 1,156.71/x
  3. Step 3: Cross multiply
    4,078.79x = 6,118.18 × 1,156.71
  4. Step 4: Simplify right side
    4,078.79x = 7,076,954.20
  5. Step 5: Solve for x
    x = 7,076,954.20/4,078.79
  6. Step 6: Final answer
    x = 1,735.06

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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.