Home / 7,848.26-11,770.57-2,920.22

Finding the Fourth Proportional to 7,848.26, 11,770.57 and 2,920.22

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Solution

The fourth proportional to 7,848.26, 11,770.57 and 2,920.22 is: 4,379.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,848.26 : 11,770.57 = 2,920.22 : x
  2. Step 2: Convert to fraction form
    7,848.26/11,770.57 = 2,920.22/x
  3. Step 3: Cross multiply
    7,848.26x = 11,770.57 × 2,920.22
  4. Step 4: Simplify right side
    7,848.26x = 34,372,639.32
  5. Step 5: Solve for x
    x = 34,372,639.32/7,848.26
  6. Step 6: Final answer
    x = 4,379.65

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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.