Home / 4,146.32-6,218.58-1,223.96

Finding the Fourth Proportional to 4,146.32, 6,218.58 and 1,223.96

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Solution

The fourth proportional to 4,146.32, 6,218.58 and 1,223.96 is: 1,835.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,146.32 : 6,218.58 = 1,223.96 : x
  2. Step 2: Convert to fraction form
    4,146.32/6,218.58 = 1,223.96/x
  3. Step 3: Cross multiply
    4,146.32x = 6,218.58 × 1,223.96
  4. Step 4: Simplify right side
    4,146.32x = 7,611,293.18
  5. Step 5: Solve for x
    x = 7,611,293.18/4,146.32
  6. Step 6: Final answer
    x = 1,835.67

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Double scale
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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.