Home / 6,211.32-9,318-2,051.57

Finding the Fourth Proportional to 6,211.32, 9,318 and 2,051.57

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Solution

The fourth proportional to 6,211.32, 9,318 and 2,051.57 is: 3,077.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,211.32 : 9,318 = 2,051.57 : x
  2. Step 2: Convert to fraction form
    6,211.32/9,318 = 2,051.57/x
  3. Step 3: Cross multiply
    6,211.32x = 9,318 × 2,051.57
  4. Step 4: Simplify right side
    6,211.32x = 19,116,482.67
  5. Step 5: Solve for x
    x = 19,116,482.67/6,211.32
  6. Step 6: Final answer
    x = 3,077.68

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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.