Home / 4,036.20-6,055.20-3,161.40

Finding the Fourth Proportional to 4,036.20, 6,055.20 and 3,161.40

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Solution

The fourth proportional to 4,036.20, 6,055.20 and 3,161.40 is: 4,742.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,036.20 : 6,055.20 = 3,161.40 : x
  2. Step 2: Convert to fraction form
    4,036.20/6,055.20 = 3,161.40/x
  3. Step 3: Cross multiply
    4,036.20x = 6,055.20 × 3,161.40
  4. Step 4: Simplify right side
    4,036.20x = 19,142,909.28
  5. Step 5: Solve for x
    x = 19,142,909.28/4,036.20
  6. Step 6: Final answer
    x = 4,742.80

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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.