Home / 7,438.79-11,157.84-3,277.68

Finding the Fourth Proportional to 7,438.79, 11,157.84 and 3,277.68

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Solution

The fourth proportional to 7,438.79, 11,157.84 and 3,277.68 is: 4,916.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,438.79 : 11,157.84 = 3,277.68 : x
  2. Step 2: Convert to fraction form
    7,438.79/11,157.84 = 3,277.68/x
  3. Step 3: Cross multiply
    7,438.79x = 11,157.84 × 3,277.68
  4. Step 4: Simplify right side
    7,438.79x = 36,571,829.01
  5. Step 5: Solve for x
    x = 36,571,829.01/7,438.79
  6. Step 6: Final answer
    x = 4,916.37

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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.