Home / 7,120.94-9,825.12-4,434.26

Finding the Fourth Proportional to 7,120.94, 9,825.12 and 4,434.26

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Solution

The fourth proportional to 7,120.94, 9,825.12 and 4,434.26 is: 6,118.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,120.94 : 9,825.12 = 4,434.26 : x
  2. Step 2: Convert to fraction form
    7,120.94/9,825.12 = 4,434.26/x
  3. Step 3: Cross multiply
    7,120.94x = 9,825.12 × 4,434.26
  4. Step 4: Simplify right side
    7,120.94x = 43,567,136.61
  5. Step 5: Solve for x
    x = 43,567,136.61/7,120.94
  6. Step 6: Final answer
    x = 6,118.17

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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.