Home / 4,845.95-7,254.55-2,991.09

Finding the Fourth Proportional to 4,845.95, 7,254.55 and 2,991.09

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Solution

The fourth proportional to 4,845.95, 7,254.55 and 2,991.09 is: 4,477.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,845.95 : 7,254.55 = 2,991.09 : x
  2. Step 2: Convert to fraction form
    4,845.95/7,254.55 = 2,991.09/x
  3. Step 3: Cross multiply
    4,845.95x = 7,254.55 × 2,991.09
  4. Step 4: Simplify right side
    4,845.95x = 21,699,011.96
  5. Step 5: Solve for x
    x = 21,699,011.96/4,845.95
  6. Step 6: Final answer
    x = 4,477.76

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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.