Home / 4,076.40-6,114.60-1,478.28

Finding the Fourth Proportional to 4,076.40, 6,114.60 and 1,478.28

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Solution

The fourth proportional to 4,076.40, 6,114.60 and 1,478.28 is: 2,217.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,076.40 : 6,114.60 = 1,478.28 : x
  2. Step 2: Convert to fraction form
    4,076.40/6,114.60 = 1,478.28/x
  3. Step 3: Cross multiply
    4,076.40x = 6,114.60 × 1,478.28
  4. Step 4: Simplify right side
    4,076.40x = 9,039,090.89
  5. Step 5: Solve for x
    x = 9,039,090.89/4,076.40
  6. Step 6: Final answer
    x = 2,217.42

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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.