Home / 4,172.92-6,260.32-1,399.74

Finding the Fourth Proportional to 4,172.92, 6,260.32 and 1,399.74

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Solution

The fourth proportional to 4,172.92, 6,260.32 and 1,399.74 is: 2,099.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,172.92 : 6,260.32 = 1,399.74 : x
  2. Step 2: Convert to fraction form
    4,172.92/6,260.32 = 1,399.74/x
  3. Step 3: Cross multiply
    4,172.92x = 6,260.32 × 1,399.74
  4. Step 4: Simplify right side
    4,172.92x = 8,762,820.32
  5. Step 5: Solve for x
    x = 8,762,820.32/4,172.92
  6. Step 6: Final answer
    x = 2,099.93

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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.