Home / 4,399.89-6,600.84-1,438.50

Finding the Fourth Proportional to 4,399.89, 6,600.84 and 1,438.50

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Solution

The fourth proportional to 4,399.89, 6,600.84 and 1,438.50 is: 2,158.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,399.89 : 6,600.84 = 1,438.50 : x
  2. Step 2: Convert to fraction form
    4,399.89/6,600.84 = 1,438.50/x
  3. Step 3: Cross multiply
    4,399.89x = 6,600.84 × 1,438.50
  4. Step 4: Simplify right side
    4,399.89x = 9,495,308.34
  5. Step 5: Solve for x
    x = 9,495,308.34/4,399.89
  6. Step 6: Final answer
    x = 2,158.08

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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.