Home / 4,727.07-7,087.91-1,439.19

Finding the Fourth Proportional to 4,727.07, 7,087.91 and 1,439.19

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Solution

The fourth proportional to 4,727.07, 7,087.91 and 1,439.19 is: 2,157.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,727.07 : 7,087.91 = 1,439.19 : x
  2. Step 2: Convert to fraction form
    4,727.07/7,087.91 = 1,439.19/x
  3. Step 3: Cross multiply
    4,727.07x = 7,087.91 × 1,439.19
  4. Step 4: Simplify right side
    4,727.07x = 10,200,842.00
  5. Step 5: Solve for x
    x = 10,200,842.00/4,727.07
  6. Step 6: Final answer
    x = 2,157.96

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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.