Home / 7,389.97-11,079.09-4,266.45

Finding the Fourth Proportional to 7,389.97, 11,079.09 and 4,266.45

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Solution

The fourth proportional to 7,389.97, 11,079.09 and 4,266.45 is: 6,396.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,389.97 : 11,079.09 = 4,266.45 : x
  2. Step 2: Convert to fraction form
    7,389.97/11,079.09 = 4,266.45/x
  3. Step 3: Cross multiply
    7,389.97x = 11,079.09 × 4,266.45
  4. Step 4: Simplify right side
    7,389.97x = 47,268,383.53
  5. Step 5: Solve for x
    x = 47,268,383.53/7,389.97
  6. Step 6: Final answer
    x = 6,396.29

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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.