Home / 7,980.26-11,968.92-4,030.59

Finding the Fourth Proportional to 7,980.26, 11,968.92 and 4,030.59

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Solution

The fourth proportional to 7,980.26, 11,968.92 and 4,030.59 is: 6,045.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,980.26 : 11,968.92 = 4,030.59 : x
  2. Step 2: Convert to fraction form
    7,980.26/11,968.92 = 4,030.59/x
  3. Step 3: Cross multiply
    7,980.26x = 11,968.92 × 4,030.59
  4. Step 4: Simplify right side
    7,980.26x = 48,241,809.26
  5. Step 5: Solve for x
    x = 48,241,809.26/7,980.26
  6. Step 6: Final answer
    x = 6,045.15

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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.