Home / 7,914.12-10,921.24-4,556.84

Finding the Fourth Proportional to 7,914.12, 10,921.24 and 4,556.84

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Solution

The fourth proportional to 7,914.12, 10,921.24 and 4,556.84 is: 6,288.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,914.12 : 10,921.24 = 4,556.84 : x
  2. Step 2: Convert to fraction form
    7,914.12/10,921.24 = 4,556.84/x
  3. Step 3: Cross multiply
    7,914.12x = 10,921.24 × 4,556.84
  4. Step 4: Simplify right side
    7,914.12x = 49,766,343.28
  5. Step 5: Solve for x
    x = 49,766,343.28/7,914.12
  6. Step 6: Final answer
    x = 6,288.30

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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.