Home / 8,928.81-13,395.83-3,997.35

Finding the Fourth Proportional to 8,928.81, 13,395.83 and 3,997.35

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Solution

The fourth proportional to 8,928.81, 13,395.83 and 3,997.35 is: 5,997.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,928.81 : 13,395.83 = 3,997.35 : x
  2. Step 2: Convert to fraction form
    8,928.81/13,395.83 = 3,997.35/x
  3. Step 3: Cross multiply
    8,928.81x = 13,395.83 × 3,997.35
  4. Step 4: Simplify right side
    8,928.81x = 53,547,821.05
  5. Step 5: Solve for x
    x = 53,547,821.05/8,928.81
  6. Step 6: Final answer
    x = 5,997.20

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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.