Home / 7,824.02-11,736.06-1,980.62

Finding the Fourth Proportional to 7,824.02, 11,736.06 and 1,980.62

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Solution

The fourth proportional to 7,824.02, 11,736.06 and 1,980.62 is: 2,970.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,824.02 : 11,736.06 = 1,980.62 : x
  2. Step 2: Convert to fraction form
    7,824.02/11,736.06 = 1,980.62/x
  3. Step 3: Cross multiply
    7,824.02x = 11,736.06 × 1,980.62
  4. Step 4: Simplify right side
    7,824.02x = 23,244,675.16
  5. Step 5: Solve for x
    x = 23,244,675.16/7,824.02
  6. Step 6: Final answer
    x = 2,970.94

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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.