Home / 5,297.81-7,318.61-4,234.21

Finding the Fourth Proportional to 5,297.81, 7,318.61 and 4,234.21

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Solution

The fourth proportional to 5,297.81, 7,318.61 and 4,234.21 is: 5,849.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,297.81 : 7,318.61 = 4,234.21 : x
  2. Step 2: Convert to fraction form
    5,297.81/7,318.61 = 4,234.21/x
  3. Step 3: Cross multiply
    5,297.81x = 7,318.61 × 4,234.21
  4. Step 4: Simplify right side
    5,297.81x = 30,988,510.48
  5. Step 5: Solve for x
    x = 30,988,510.48/5,297.81
  6. Step 6: Final answer
    x = 5,849.31

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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.