Home / 4,289.08-6,422.60-2,970.95

Finding the Fourth Proportional to 4,289.08, 6,422.60 and 2,970.95

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Solution

The fourth proportional to 4,289.08, 6,422.60 and 2,970.95 is: 4,448.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,289.08 : 6,422.60 = 2,970.95 : x
  2. Step 2: Convert to fraction form
    4,289.08/6,422.60 = 2,970.95/x
  3. Step 3: Cross multiply
    4,289.08x = 6,422.60 × 2,970.95
  4. Step 4: Simplify right side
    4,289.08x = 19,081,208.62
  5. Step 5: Solve for x
    x = 19,081,208.62/4,289.08
  6. Step 6: Final answer
    x = 4,448.79

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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.