Home / 7,328.16-10,112.22-4,343.49

Finding the Fourth Proportional to 7,328.16, 10,112.22 and 4,343.49

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Solution

The fourth proportional to 7,328.16, 10,112.22 and 4,343.49 is: 5,993.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,328.16 : 10,112.22 = 4,343.49 : x
  2. Step 2: Convert to fraction form
    7,328.16/10,112.22 = 4,343.49/x
  3. Step 3: Cross multiply
    7,328.16x = 10,112.22 × 4,343.49
  4. Step 4: Simplify right side
    7,328.16x = 43,922,326.45
  5. Step 5: Solve for x
    x = 43,922,326.45/7,328.16
  6. Step 6: Final answer
    x = 5,993.64

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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.