Home / 4,200.62-6,302.98-2,975.90

Finding the Fourth Proportional to 4,200.62, 6,302.98 and 2,975.90

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Solution

The fourth proportional to 4,200.62, 6,302.98 and 2,975.90 is: 4,465.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,200.62 : 6,302.98 = 2,975.90 : x
  2. Step 2: Convert to fraction form
    4,200.62/6,302.98 = 2,975.90/x
  3. Step 3: Cross multiply
    4,200.62x = 6,302.98 × 2,975.90
  4. Step 4: Simplify right side
    4,200.62x = 18,757,038.18
  5. Step 5: Solve for x
    x = 18,757,038.18/4,200.62
  6. Step 6: Final answer
    x = 4,465.30

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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.