Home / 7,972.53-11,017.26-5,979.62

Finding the Fourth Proportional to 7,972.53, 11,017.26 and 5,979.62

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Solution

The fourth proportional to 7,972.53, 11,017.26 and 5,979.62 is: 8,263.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972.53 : 11,017.26 = 5,979.62 : x
  2. Step 2: Convert to fraction form
    7,972.53/11,017.26 = 5,979.62/x
  3. Step 3: Cross multiply
    7,972.53x = 11,017.26 × 5,979.62
  4. Step 4: Simplify right side
    7,972.53x = 65,879,040.84
  5. Step 5: Solve for x
    x = 65,879,040.84/7,972.53
  6. Step 6: Final answer
    x = 8,263.26

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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.