Home / 4,025.46-6,038.79-1,428.18

Finding the Fourth Proportional to 4,025.46, 6,038.79 and 1,428.18

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Solution

The fourth proportional to 4,025.46, 6,038.79 and 1,428.18 is: 2,142.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,025.46 : 6,038.79 = 1,428.18 : x
  2. Step 2: Convert to fraction form
    4,025.46/6,038.79 = 1,428.18/x
  3. Step 3: Cross multiply
    4,025.46x = 6,038.79 × 1,428.18
  4. Step 4: Simplify right side
    4,025.46x = 8,624,479.10
  5. Step 5: Solve for x
    x = 8,624,479.10/4,025.46
  6. Step 6: Final answer
    x = 2,142.48

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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.