Home / 4,172.16-6,260.52-1,399.68

Finding the Fourth Proportional to 4,172.16, 6,260.52 and 1,399.68

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Solution

The fourth proportional to 4,172.16, 6,260.52 and 1,399.68 is: 2,100.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,172.16 : 6,260.52 = 1,399.68 : x
  2. Step 2: Convert to fraction form
    4,172.16/6,260.52 = 1,399.68/x
  3. Step 3: Cross multiply
    4,172.16x = 6,260.52 × 1,399.68
  4. Step 4: Simplify right side
    4,172.16x = 8,762,724.63
  5. Step 5: Solve for x
    x = 8,762,724.63/4,172.16
  6. Step 6: Final answer
    x = 2,100.28

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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.