Home / 4,741.60-7,112.40-3,877.60

Finding the Fourth Proportional to 4,741.60, 7,112.40 and 3,877.60

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Solution

The fourth proportional to 4,741.60, 7,112.40 and 3,877.60 is: 5,816.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,741.60 : 7,112.40 = 3,877.60 : x
  2. Step 2: Convert to fraction form
    4,741.60/7,112.40 = 3,877.60/x
  3. Step 3: Cross multiply
    4,741.60x = 7,112.40 × 3,877.60
  4. Step 4: Simplify right side
    4,741.60x = 27,579,042.24
  5. Step 5: Solve for x
    x = 27,579,042.24/4,741.60
  6. Step 6: Final answer
    x = 5,816.40

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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.