Home / 4,428.60-6,111.36-2,660.64

Finding the Fourth Proportional to 4,428.60, 6,111.36 and 2,660.64

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Solution

The fourth proportional to 4,428.60, 6,111.36 and 2,660.64 is: 3,671.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428.60 : 6,111.36 = 2,660.64 : x
  2. Step 2: Convert to fraction form
    4,428.60/6,111.36 = 2,660.64/x
  3. Step 3: Cross multiply
    4,428.60x = 6,111.36 × 2,660.64
  4. Step 4: Simplify right side
    4,428.60x = 16,260,128.87
  5. Step 5: Solve for x
    x = 16,260,128.87/4,428.60
  6. Step 6: Final answer
    x = 3,671.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.