Home / 4,275.84-6,409.80-2,191.26

Finding the Fourth Proportional to 4,275.84, 6,409.80 and 2,191.26

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Solution

The fourth proportional to 4,275.84, 6,409.80 and 2,191.26 is: 3,284.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,275.84 : 6,409.80 = 2,191.26 : x
  2. Step 2: Convert to fraction form
    4,275.84/6,409.80 = 2,191.26/x
  3. Step 3: Cross multiply
    4,275.84x = 6,409.80 × 2,191.26
  4. Step 4: Simplify right side
    4,275.84x = 14,045,538.35
  5. Step 5: Solve for x
    x = 14,045,538.35/4,275.84
  6. Step 6: Final answer
    x = 3,284.86

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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.