Home / 9,749.20-14,614.20-4,819.60

Finding the Fourth Proportional to 9,749.20, 14,614.20 and 4,819.60

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Solution

The fourth proportional to 9,749.20, 14,614.20 and 4,819.60 is: 7,224.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,749.20 : 14,614.20 = 4,819.60 : x
  2. Step 2: Convert to fraction form
    9,749.20/14,614.20 = 4,819.60/x
  3. Step 3: Cross multiply
    9,749.20x = 14,614.20 × 4,819.60
  4. Step 4: Simplify right side
    9,749.20x = 70,434,598.32
  5. Step 5: Solve for x
    x = 70,434,598.32/9,749.20
  6. Step 6: Final answer
    x = 7,224.65

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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.