Home / 7,351.67-10,145.40-3,994.55

Finding the Fourth Proportional to 7,351.67, 10,145.40 and 3,994.55

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Solution

The fourth proportional to 7,351.67, 10,145.40 and 3,994.55 is: 5,512.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,351.67 : 10,145.40 = 3,994.55 : x
  2. Step 2: Convert to fraction form
    7,351.67/10,145.40 = 3,994.55/x
  3. Step 3: Cross multiply
    7,351.67x = 10,145.40 × 3,994.55
  4. Step 4: Simplify right side
    7,351.67x = 40,526,256.84
  5. Step 5: Solve for x
    x = 40,526,256.84/7,351.67
  6. Step 6: Final answer
    x = 5,512.53

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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.