Home / 4,512.99-6,762.50-3,129.03

Finding the Fourth Proportional to 4,512.99, 6,762.50 and 3,129.03

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Solution

The fourth proportional to 4,512.99, 6,762.50 and 3,129.03 is: 4,688.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,512.99 : 6,762.50 = 3,129.03 : x
  2. Step 2: Convert to fraction form
    4,512.99/6,762.50 = 3,129.03/x
  3. Step 3: Cross multiply
    4,512.99x = 6,762.50 × 3,129.03
  4. Step 4: Simplify right side
    4,512.99x = 21,160,065.38
  5. Step 5: Solve for x
    x = 21,160,065.38/4,512.99
  6. Step 6: Final answer
    x = 4,688.70

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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.