Home / 7,980.83-11,970.33-3,050.36

Finding the Fourth Proportional to 7,980.83, 11,970.33 and 3,050.36

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Solution

The fourth proportional to 7,980.83, 11,970.33 and 3,050.36 is: 4,575.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,980.83 : 11,970.33 = 3,050.36 : x
  2. Step 2: Convert to fraction form
    7,980.83/11,970.33 = 3,050.36/x
  3. Step 3: Cross multiply
    7,980.83x = 11,970.33 × 3,050.36
  4. Step 4: Simplify right side
    7,980.83x = 36,513,755.97
  5. Step 5: Solve for x
    x = 36,513,755.97/7,980.83
  6. Step 6: Final answer
    x = 4,575.19

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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.