Home / 4,720.37-7,078.50-1,556.91

Finding the Fourth Proportional to 4,720.37, 7,078.50 and 1,556.91

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Solution

The fourth proportional to 4,720.37, 7,078.50 and 1,556.91 is: 2,334.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,720.37 : 7,078.50 = 1,556.91 : x
  2. Step 2: Convert to fraction form
    4,720.37/7,078.50 = 1,556.91/x
  3. Step 3: Cross multiply
    4,720.37x = 7,078.50 × 1,556.91
  4. Step 4: Simplify right side
    4,720.37x = 11,020,587.44
  5. Step 5: Solve for x
    x = 11,020,587.44/4,720.37
  6. Step 6: Final answer
    x = 2,334.69

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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.