Home / 4,760.21-6,568.31-2,990.57

Finding the Fourth Proportional to 4,760.21, 6,568.31 and 2,990.57

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Solution

The fourth proportional to 4,760.21, 6,568.31 and 2,990.57 is: 4,126.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,760.21 : 6,568.31 = 2,990.57 : x
  2. Step 2: Convert to fraction form
    4,760.21/6,568.31 = 2,990.57/x
  3. Step 3: Cross multiply
    4,760.21x = 6,568.31 × 2,990.57
  4. Step 4: Simplify right side
    4,760.21x = 19,642,958.00
  5. Step 5: Solve for x
    x = 19,642,958.00/4,760.21
  6. Step 6: Final answer
    x = 4,126.49

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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.