Home / 4,911.31-7,371.47-3,822.67

Finding the Fourth Proportional to 4,911.31, 7,371.47 and 3,822.67

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Solution

The fourth proportional to 4,911.31, 7,371.47 and 3,822.67 is: 5,737.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,911.31 : 7,371.47 = 3,822.67 : x
  2. Step 2: Convert to fraction form
    4,911.31/7,371.47 = 3,822.67/x
  3. Step 3: Cross multiply
    4,911.31x = 7,371.47 × 3,822.67
  4. Step 4: Simplify right side
    4,911.31x = 28,178,697.22
  5. Step 5: Solve for x
    x = 28,178,697.22/4,911.31
  6. Step 6: Final answer
    x = 5,737.51

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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.