Home / 4,025.26-6,038.60-1,428.20

Finding the Fourth Proportional to 4,025.26, 6,038.60 and 1,428.20

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Solution

The fourth proportional to 4,025.26, 6,038.60 and 1,428.20 is: 2,142.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,025.26 : 6,038.60 = 1,428.20 : x
  2. Step 2: Convert to fraction form
    4,025.26/6,038.60 = 1,428.20/x
  3. Step 3: Cross multiply
    4,025.26x = 6,038.60 × 1,428.20
  4. Step 4: Simplify right side
    4,025.26x = 8,624,328.52
  5. Step 5: Solve for x
    x = 8,624,328.52/4,025.26
  6. Step 6: Final answer
    x = 2,142.55

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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.