Home / 4,775.51-7,155.48-2,922.73

Finding the Fourth Proportional to 4,775.51, 7,155.48 and 2,922.73

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Solution

The fourth proportional to 4,775.51, 7,155.48 and 2,922.73 is: 4,379.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,775.51 : 7,155.48 = 2,922.73 : x
  2. Step 2: Convert to fraction form
    4,775.51/7,155.48 = 2,922.73/x
  3. Step 3: Cross multiply
    4,775.51x = 7,155.48 × 2,922.73
  4. Step 4: Simplify right side
    4,775.51x = 20,913,561.16
  5. Step 5: Solve for x
    x = 20,913,561.16/4,775.51
  6. Step 6: Final answer
    x = 4,379.34

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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.