Home / 4,094.06-6,140.87-1,320.68

Finding the Fourth Proportional to 4,094.06, 6,140.87 and 1,320.68

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Solution

The fourth proportional to 4,094.06, 6,140.87 and 1,320.68 is: 1,980.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,094.06 : 6,140.87 = 1,320.68 : x
  2. Step 2: Convert to fraction form
    4,094.06/6,140.87 = 1,320.68/x
  3. Step 3: Cross multiply
    4,094.06x = 6,140.87 × 1,320.68
  4. Step 4: Simplify right side
    4,094.06x = 8,110,086.88
  5. Step 5: Solve for x
    x = 8,110,086.88/4,094.06
  6. Step 6: Final answer
    x = 1,980.94

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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.