Home / 7,749.60-11,620.56-2,483.92

Finding the Fourth Proportional to 7,749.60, 11,620.56 and 2,483.92

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Solution

The fourth proportional to 7,749.60, 11,620.56 and 2,483.92 is: 3,724.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,749.60 : 11,620.56 = 2,483.92 : x
  2. Step 2: Convert to fraction form
    7,749.60/11,620.56 = 2,483.92/x
  3. Step 3: Cross multiply
    7,749.60x = 11,620.56 × 2,483.92
  4. Step 4: Simplify right side
    7,749.60x = 28,864,541.40
  5. Step 5: Solve for x
    x = 28,864,541.40/7,749.60
  6. Step 6: Final answer
    x = 3,724.65

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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.