Home / 6,611.98-9,122.16-3,777.32

Finding the Fourth Proportional to 6,611.98, 9,122.16 and 3,777.32

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Solution

The fourth proportional to 6,611.98, 9,122.16 and 3,777.32 is: 5,211.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,611.98 : 9,122.16 = 3,777.32 : x
  2. Step 2: Convert to fraction form
    6,611.98/9,122.16 = 3,777.32/x
  3. Step 3: Cross multiply
    6,611.98x = 9,122.16 × 3,777.32
  4. Step 4: Simplify right side
    6,611.98x = 34,457,317.41
  5. Step 5: Solve for x
    x = 34,457,317.41/6,611.98
  6. Step 6: Final answer
    x = 5,211.35

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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.