Home / 7,433.60-11,150.40-6,281.60

Finding the Fourth Proportional to 7,433.60, 11,150.40 and 6,281.60

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Solution

The fourth proportional to 7,433.60, 11,150.40 and 6,281.60 is: 9,422.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,433.60 : 11,150.40 = 6,281.60 : x
  2. Step 2: Convert to fraction form
    7,433.60/11,150.40 = 6,281.60/x
  3. Step 3: Cross multiply
    7,433.60x = 11,150.40 × 6,281.60
  4. Step 4: Simplify right side
    7,433.60x = 70,042,352.64
  5. Step 5: Solve for x
    x = 70,042,352.64/7,433.60
  6. Step 6: Final answer
    x = 9,422.40

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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.