Home / 4,182.34-6,272.40-1,260.76

Finding the Fourth Proportional to 4,182.34, 6,272.40 and 1,260.76

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Solution

The fourth proportional to 4,182.34, 6,272.40 and 1,260.76 is: 1,890.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,182.34 : 6,272.40 = 1,260.76 : x
  2. Step 2: Convert to fraction form
    4,182.34/6,272.40 = 1,260.76/x
  3. Step 3: Cross multiply
    4,182.34x = 6,272.40 × 1,260.76
  4. Step 4: Simplify right side
    4,182.34x = 7,907,991.02
  5. Step 5: Solve for x
    x = 7,907,991.02/4,182.34
  6. Step 6: Final answer
    x = 1,890.81

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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.