Home / 4,643.96-6,405.86-2,964.75

Finding the Fourth Proportional to 4,643.96, 6,405.86 and 2,964.75

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Solution

The fourth proportional to 4,643.96, 6,405.86 and 2,964.75 is: 4,089.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,643.96 : 6,405.86 = 2,964.75 : x
  2. Step 2: Convert to fraction form
    4,643.96/6,405.86 = 2,964.75/x
  3. Step 3: Cross multiply
    4,643.96x = 6,405.86 × 2,964.75
  4. Step 4: Simplify right side
    4,643.96x = 18,991,784.52
  5. Step 5: Solve for x
    x = 18,991,784.52/4,643.96
  6. Step 6: Final answer
    x = 4,089.57

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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.