Home / 7,377.63-10,180.62-4,190.55

Finding the Fourth Proportional to 7,377.63, 10,180.62 and 4,190.55

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Solution

The fourth proportional to 7,377.63, 10,180.62 and 4,190.55 is: 5,782.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,377.63 : 10,180.62 = 4,190.55 : x
  2. Step 2: Convert to fraction form
    7,377.63/10,180.62 = 4,190.55/x
  3. Step 3: Cross multiply
    7,377.63x = 10,180.62 × 4,190.55
  4. Step 4: Simplify right side
    7,377.63x = 42,662,397.14
  5. Step 5: Solve for x
    x = 42,662,397.14/7,377.63
  6. Step 6: Final answer
    x = 5,782.67

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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.