Home / 4,653.12-6,979.08-1,190.16

Finding the Fourth Proportional to 4,653.12, 6,979.08 and 1,190.16

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Solution

The fourth proportional to 4,653.12, 6,979.08 and 1,190.16 is: 1,785.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,653.12 : 6,979.08 = 1,190.16 : x
  2. Step 2: Convert to fraction form
    4,653.12/6,979.08 = 1,190.16/x
  3. Step 3: Cross multiply
    4,653.12x = 6,979.08 × 1,190.16
  4. Step 4: Simplify right side
    4,653.12x = 8,306,221.85
  5. Step 5: Solve for x
    x = 8,306,221.85/4,653.12
  6. Step 6: Final answer
    x = 1,785.09

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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.