Home / 4,478.08-6,718.32-1,556.38

Finding the Fourth Proportional to 4,478.08, 6,718.32 and 1,556.38

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Solution

The fourth proportional to 4,478.08, 6,718.32 and 1,556.38 is: 2,334.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478.08 : 6,718.32 = 1,556.38 : x
  2. Step 2: Convert to fraction form
    4,478.08/6,718.32 = 1,556.38/x
  3. Step 3: Cross multiply
    4,478.08x = 6,718.32 × 1,556.38
  4. Step 4: Simplify right side
    4,478.08x = 10,456,258.88
  5. Step 5: Solve for x
    x = 10,456,258.88/4,478.08
  6. Step 6: Final answer
    x = 2,334.99

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1.5x scale

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.