Home / 7,969.02-10,996.80-4,431.54

Finding the Fourth Proportional to 7,969.02, 10,996.80 and 4,431.54

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Solution

The fourth proportional to 7,969.02, 10,996.80 and 4,431.54 is: 6,115.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,969.02 : 10,996.80 = 4,431.54 : x
  2. Step 2: Convert to fraction form
    7,969.02/10,996.80 = 4,431.54/x
  3. Step 3: Cross multiply
    7,969.02x = 10,996.80 × 4,431.54
  4. Step 4: Simplify right side
    7,969.02x = 48,732,759.07
  5. Step 5: Solve for x
    x = 48,732,759.07/7,969.02
  6. Step 6: Final answer
    x = 6,115.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.