Home / 4,948.26-7,422.40-1,485.50

Finding the Fourth Proportional to 4,948.26, 7,422.40 and 1,485.50

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Solution

The fourth proportional to 4,948.26, 7,422.40 and 1,485.50 is: 2,228.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,948.26 : 7,422.40 = 1,485.50 : x
  2. Step 2: Convert to fraction form
    4,948.26/7,422.40 = 1,485.50/x
  3. Step 3: Cross multiply
    4,948.26x = 7,422.40 × 1,485.50
  4. Step 4: Simplify right side
    4,948.26x = 11,025,975.20
  5. Step 5: Solve for x
    x = 11,025,975.20/4,948.26
  6. Step 6: Final answer
    x = 2,228.25

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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.