Home / 9,206.51-12,704.01-5,173.79

Finding the Fourth Proportional to 9,206.51, 12,704.01 and 5,173.79

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Solution

The fourth proportional to 9,206.51, 12,704.01 and 5,173.79 is: 7,139.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,206.51 : 12,704.01 = 5,173.79 : x
  2. Step 2: Convert to fraction form
    9,206.51/12,704.01 = 5,173.79/x
  3. Step 3: Cross multiply
    9,206.51x = 12,704.01 × 5,173.79
  4. Step 4: Simplify right side
    9,206.51x = 65,727,879.90
  5. Step 5: Solve for x
    x = 65,727,879.90/9,206.51
  6. Step 6: Final answer
    x = 7,139.28

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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.