Home / 4,289.95-6,422.79-2,726.08

Finding the Fourth Proportional to 4,289.95, 6,422.79 and 2,726.08

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Solution

The fourth proportional to 4,289.95, 6,422.79 and 2,726.08 is: 4,081.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,289.95 : 6,422.79 = 2,726.08 : x
  2. Step 2: Convert to fraction form
    4,289.95/6,422.79 = 2,726.08/x
  3. Step 3: Cross multiply
    4,289.95x = 6,422.79 × 2,726.08
  4. Step 4: Simplify right side
    4,289.95x = 17,509,033.53
  5. Step 5: Solve for x
    x = 17,509,033.53/4,289.95
  6. Step 6: Final answer
    x = 4,081.41

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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.