Home / 5,721.21-7,895.16-3,331.62

Finding the Fourth Proportional to 5,721.21, 7,895.16 and 3,331.62

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Solution

The fourth proportional to 5,721.21, 7,895.16 and 3,331.62 is: 4,597.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,721.21 : 7,895.16 = 3,331.62 : x
  2. Step 2: Convert to fraction form
    5,721.21/7,895.16 = 3,331.62/x
  3. Step 3: Cross multiply
    5,721.21x = 7,895.16 × 3,331.62
  4. Step 4: Simplify right side
    5,721.21x = 26,303,672.96
  5. Step 5: Solve for x
    x = 26,303,672.96/5,721.21
  6. Step 6: Final answer
    x = 4,597.57

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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.