Home / 4,703.27-7,045.99-3,138.55

Finding the Fourth Proportional to 4,703.27, 7,045.99 and 3,138.55

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Solution

The fourth proportional to 4,703.27, 7,045.99 and 3,138.55 is: 4,701.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,703.27 : 7,045.99 = 3,138.55 : x
  2. Step 2: Convert to fraction form
    4,703.27/7,045.99 = 3,138.55/x
  3. Step 3: Cross multiply
    4,703.27x = 7,045.99 × 3,138.55
  4. Step 4: Simplify right side
    4,703.27x = 22,114,166.45
  5. Step 5: Solve for x
    x = 22,114,166.45/4,703.27
  6. Step 6: Final answer
    x = 4,701.88

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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.