Home / 9,449.60-13,041.68-6,464.34

Finding the Fourth Proportional to 9,449.60, 13,041.68 and 6,464.34

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Solution

The fourth proportional to 9,449.60, 13,041.68 and 6,464.34 is: 8,921.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,449.60 : 13,041.68 = 6,464.34 : x
  2. Step 2: Convert to fraction form
    9,449.60/13,041.68 = 6,464.34/x
  3. Step 3: Cross multiply
    9,449.60x = 13,041.68 × 6,464.34
  4. Step 4: Simplify right side
    9,449.60x = 84,305,821.37
  5. Step 5: Solve for x
    x = 84,305,821.37/9,449.60
  6. Step 6: Final answer
    x = 8,921.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.