Home / 7,368.15-10,168.56-4,138.22

Finding the Fourth Proportional to 7,368.15, 10,168.56 and 4,138.22

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Solution

The fourth proportional to 7,368.15, 10,168.56 and 4,138.22 is: 5,711.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,368.15 : 10,168.56 = 4,138.22 : x
  2. Step 2: Convert to fraction form
    7,368.15/10,168.56 = 4,138.22/x
  3. Step 3: Cross multiply
    7,368.15x = 10,168.56 × 4,138.22
  4. Step 4: Simplify right side
    7,368.15x = 42,079,738.36
  5. Step 5: Solve for x
    x = 42,079,738.36/7,368.15
  6. Step 6: Final answer
    x = 5,711.03

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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.