Home / 4,948.38-7,422.60-1,485.66

Finding the Fourth Proportional to 4,948.38, 7,422.60 and 1,485.66

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Solution

The fourth proportional to 4,948.38, 7,422.60 and 1,485.66 is: 2,228.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,948.38 : 7,422.60 = 1,485.66 : x
  2. Step 2: Convert to fraction form
    4,948.38/7,422.60 = 1,485.66/x
  3. Step 3: Cross multiply
    4,948.38x = 7,422.60 × 1,485.66
  4. Step 4: Simplify right side
    4,948.38x = 11,027,459.92
  5. Step 5: Solve for x
    x = 11,027,459.92/4,948.38
  6. Step 6: Final answer
    x = 2,228.50

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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.