Home / 4,478.28-6,716.16-1,556.52

Finding the Fourth Proportional to 4,478.28, 6,716.16 and 1,556.52

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Solution

The fourth proportional to 4,478.28, 6,716.16 and 1,556.52 is: 2,334.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478.28 : 6,716.16 = 1,556.52 : x
  2. Step 2: Convert to fraction form
    4,478.28/6,716.16 = 1,556.52/x
  3. Step 3: Cross multiply
    4,478.28x = 6,716.16 × 1,556.52
  4. Step 4: Simplify right side
    4,478.28x = 10,453,837.36
  5. Step 5: Solve for x
    x = 10,453,837.36/4,478.28
  6. Step 6: Final answer
    x = 2,334.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.