Home / 3,964.55-5,464.46-3,484.77

Finding the Fourth Proportional to 3,964.55, 5,464.46 and 3,484.77

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Solution

The fourth proportional to 3,964.55, 5,464.46 and 3,484.77 is: 4,803.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,964.55 : 5,464.46 = 3,484.77 : x
  2. Step 2: Convert to fraction form
    3,964.55/5,464.46 = 3,484.77/x
  3. Step 3: Cross multiply
    3,964.55x = 5,464.46 × 3,484.77
  4. Step 4: Simplify right side
    3,964.55x = 19,042,405.23
  5. Step 5: Solve for x
    x = 19,042,405.23/3,964.55
  6. Step 6: Final answer
    x = 4,803.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.