Home / 4,718.71-7,078.94-1,556.34

Finding the Fourth Proportional to 4,718.71, 7,078.94 and 1,556.34

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Solution

The fourth proportional to 4,718.71, 7,078.94 and 1,556.34 is: 2,334.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,718.71 : 7,078.94 = 1,556.34 : x
  2. Step 2: Convert to fraction form
    4,718.71/7,078.94 = 1,556.34/x
  3. Step 3: Cross multiply
    4,718.71x = 7,078.94 × 1,556.34
  4. Step 4: Simplify right side
    4,718.71x = 11,017,237.48
  5. Step 5: Solve for x
    x = 11,017,237.48/4,718.71
  6. Step 6: Final answer
    x = 2,334.80

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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.