Home / 7,828.34-11,741.90-2,281.73

Finding the Fourth Proportional to 7,828.34, 11,741.90 and 2,281.73

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Solution

The fourth proportional to 7,828.34, 11,741.90 and 2,281.73 is: 3,422.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,828.34 : 11,741.90 = 2,281.73 : x
  2. Step 2: Convert to fraction form
    7,828.34/11,741.90 = 2,281.73/x
  3. Step 3: Cross multiply
    7,828.34x = 11,741.90 × 2,281.73
  4. Step 4: Simplify right side
    7,828.34x = 26,791,775.37
  5. Step 5: Solve for x
    x = 26,791,775.37/7,828.34
  6. Step 6: Final answer
    x = 3,422.41

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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.