Home / 7,228.22-10,840.52-3,528.50

Finding the Fourth Proportional to 7,228.22, 10,840.52 and 3,528.50

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Solution

The fourth proportional to 7,228.22, 10,840.52 and 3,528.50 is: 5,291.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,228.22 : 10,840.52 = 3,528.50 : x
  2. Step 2: Convert to fraction form
    7,228.22/10,840.52 = 3,528.50/x
  3. Step 3: Cross multiply
    7,228.22x = 10,840.52 × 3,528.50
  4. Step 4: Simplify right side
    7,228.22x = 38,250,729.44
  5. Step 5: Solve for x
    x = 38,250,729.44/7,228.22
  6. Step 6: Final answer
    x = 5,291.86

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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.