Home / 4,889.20-7,343.95-3,953.20

Finding the Fourth Proportional to 4,889.20, 7,343.95 and 3,953.20

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Solution

The fourth proportional to 4,889.20, 7,343.95 and 3,953.20 is: 5,938.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,889.20 : 7,343.95 = 3,953.20 : x
  2. Step 2: Convert to fraction form
    4,889.20/7,343.95 = 3,953.20/x
  3. Step 3: Cross multiply
    4,889.20x = 7,343.95 × 3,953.20
  4. Step 4: Simplify right side
    4,889.20x = 29,032,103.14
  5. Step 5: Solve for x
    x = 29,032,103.14/4,889.20
  6. Step 6: Final answer
    x = 5,938.01

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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.