Home / 4,309.79-6,464.83-1,190.03

Finding the Fourth Proportional to 4,309.79, 6,464.83 and 1,190.03

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Solution

The fourth proportional to 4,309.79, 6,464.83 and 1,190.03 is: 1,785.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,309.79 : 6,464.83 = 1,190.03 : x
  2. Step 2: Convert to fraction form
    4,309.79/6,464.83 = 1,190.03/x
  3. Step 3: Cross multiply
    4,309.79x = 6,464.83 × 1,190.03
  4. Step 4: Simplify right side
    4,309.79x = 7,693,335.69
  5. Step 5: Solve for x
    x = 7,693,335.69/4,309.79
  6. Step 6: Final answer
    x = 1,785.08

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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.