Home / 7,480.32-11,211.42-3,311.34

Finding the Fourth Proportional to 7,480.32, 11,211.42 and 3,311.34

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Solution

The fourth proportional to 7,480.32, 11,211.42 and 3,311.34 is: 4,963.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,480.32 : 11,211.42 = 3,311.34 : x
  2. Step 2: Convert to fraction form
    7,480.32/11,211.42 = 3,311.34/x
  3. Step 3: Cross multiply
    7,480.32x = 11,211.42 × 3,311.34
  4. Step 4: Simplify right side
    7,480.32x = 37,124,823.50
  5. Step 5: Solve for x
    x = 37,124,823.50/7,480.32
  6. Step 6: Final answer
    x = 4,963.00

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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.