Home / 4,762.56-7,138.36-1,839.24

Finding the Fourth Proportional to 4,762.56, 7,138.36 and 1,839.24

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Solution

The fourth proportional to 4,762.56, 7,138.36 and 1,839.24 is: 2,756.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,762.56 : 7,138.36 = 1,839.24 : x
  2. Step 2: Convert to fraction form
    4,762.56/7,138.36 = 1,839.24/x
  3. Step 3: Cross multiply
    4,762.56x = 7,138.36 × 1,839.24
  4. Step 4: Simplify right side
    4,762.56x = 13,129,157.25
  5. Step 5: Solve for x
    x = 13,129,157.25/4,762.56
  6. Step 6: Final answer
    x = 2,756.74

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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.