Home / 7,377.75-10,180.35-4,191.39

Finding the Fourth Proportional to 7,377.75, 10,180.35 and 4,191.39

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Solution

The fourth proportional to 7,377.75, 10,180.35 and 4,191.39 is: 5,783.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,377.75 : 10,180.35 = 4,191.39 : x
  2. Step 2: Convert to fraction form
    7,377.75/10,180.35 = 4,191.39/x
  3. Step 3: Cross multiply
    7,377.75x = 10,180.35 × 4,191.39
  4. Step 4: Simplify right side
    7,377.75x = 42,669,817.19
  5. Step 5: Solve for x
    x = 42,669,817.19/7,377.75
  6. Step 6: Final answer
    x = 5,783.58

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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.