Home / 4,173.27-6,260.57-1,980.80

Finding the Fourth Proportional to 4,173.27, 6,260.57 and 1,980.80

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Solution

The fourth proportional to 4,173.27, 6,260.57 and 1,980.80 is: 2,971.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,173.27 : 6,260.57 = 1,980.80 : x
  2. Step 2: Convert to fraction form
    4,173.27/6,260.57 = 1,980.80/x
  3. Step 3: Cross multiply
    4,173.27x = 6,260.57 × 1,980.80
  4. Step 4: Simplify right side
    4,173.27x = 12,400,937.06
  5. Step 5: Solve for x
    x = 12,400,937.06/4,173.27
  6. Step 6: Final answer
    x = 2,971.52

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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.