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Finding the Fourth Proportional to 6,762.68, 10,143.51 and 3,015.62

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Solution

The fourth proportional to 6,762.68, 10,143.51 and 3,015.62 is: 4,523.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,762.68 : 10,143.51 = 3,015.62 : x
  2. Step 2: Convert to fraction form
    6,762.68/10,143.51 = 3,015.62/x
  3. Step 3: Cross multiply
    6,762.68x = 10,143.51 × 3,015.62
  4. Step 4: Simplify right side
    6,762.68x = 30,588,971.63
  5. Step 5: Solve for x
    x = 30,588,971.63/6,762.68
  6. Step 6: Final answer
    x = 4,523.20

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1.5x scale

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.