Home / 4,094.05-6,142.28-1,320.67

Finding the Fourth Proportional to 4,094.05, 6,142.28 and 1,320.67

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Solution

The fourth proportional to 4,094.05, 6,142.28 and 1,320.67 is: 1,981.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,094.05 : 6,142.28 = 1,320.67 : x
  2. Step 2: Convert to fraction form
    4,094.05/6,142.28 = 1,320.67/x
  3. Step 3: Cross multiply
    4,094.05x = 6,142.28 × 1,320.67
  4. Step 4: Simplify right side
    4,094.05x = 8,111,924.93
  5. Step 5: Solve for x
    x = 8,111,924.93/4,094.05
  6. Step 6: Final answer
    x = 1,981.39

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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.