Home / 7,829.58-11,741.40-2,281.08

Finding the Fourth Proportional to 7,829.58, 11,741.40 and 2,281.08

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Solution

The fourth proportional to 7,829.58, 11,741.40 and 2,281.08 is: 3,420.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,829.58 : 11,741.40 = 2,281.08 : x
  2. Step 2: Convert to fraction form
    7,829.58/11,741.40 = 2,281.08/x
  3. Step 3: Cross multiply
    7,829.58x = 11,741.40 × 2,281.08
  4. Step 4: Simplify right side
    7,829.58x = 26,783,072.71
  5. Step 5: Solve for x
    x = 26,783,072.71/7,829.58
  6. Step 6: Final answer
    x = 3,420.75

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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.