Home / 4,728.36-7,089.06-2,387.22

Finding the Fourth Proportional to 4,728.36, 7,089.06 and 2,387.22

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Solution

The fourth proportional to 4,728.36, 7,089.06 and 2,387.22 is: 3,579.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,728.36 : 7,089.06 = 2,387.22 : x
  2. Step 2: Convert to fraction form
    4,728.36/7,089.06 = 2,387.22/x
  3. Step 3: Cross multiply
    4,728.36x = 7,089.06 × 2,387.22
  4. Step 4: Simplify right side
    4,728.36x = 16,923,145.81
  5. Step 5: Solve for x
    x = 16,923,145.81/4,728.36
  6. Step 6: Final answer
    x = 3,579.07

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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.