Home / 5,176.89-7,137.45-3,762.63

Finding the Fourth Proportional to 5,176.89, 7,137.45 and 3,762.63

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Solution

The fourth proportional to 5,176.89, 7,137.45 and 3,762.63 is: 5,187.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176.89 : 7,137.45 = 3,762.63 : x
  2. Step 2: Convert to fraction form
    5,176.89/7,137.45 = 3,762.63/x
  3. Step 3: Cross multiply
    5,176.89x = 7,137.45 × 3,762.63
  4. Step 4: Simplify right side
    5,176.89x = 26,855,583.49
  5. Step 5: Solve for x
    x = 26,855,583.49/5,176.89
  6. Step 6: Final answer
    x = 5,187.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.