Home / 4,965.12-7,431.69-2,621.77

Finding the Fourth Proportional to 4,965.12, 7,431.69 and 2,621.77

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Solution

The fourth proportional to 4,965.12, 7,431.69 and 2,621.77 is: 3,924.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,965.12 : 7,431.69 = 2,621.77 : x
  2. Step 2: Convert to fraction form
    4,965.12/7,431.69 = 2,621.77/x
  3. Step 3: Cross multiply
    4,965.12x = 7,431.69 × 2,621.77
  4. Step 4: Simplify right side
    4,965.12x = 19,484,181.89
  5. Step 5: Solve for x
    x = 19,484,181.89/4,965.12
  6. Step 6: Final answer
    x = 3,924.21

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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.