Home / 5,626.48-8,439.85-1,928.68

Finding the Fourth Proportional to 5,626.48, 8,439.85 and 1,928.68

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Solution

The fourth proportional to 5,626.48, 8,439.85 and 1,928.68 is: 2,893.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,626.48 : 8,439.85 = 1,928.68 : x
  2. Step 2: Convert to fraction form
    5,626.48/8,439.85 = 1,928.68/x
  3. Step 3: Cross multiply
    5,626.48x = 8,439.85 × 1,928.68
  4. Step 4: Simplify right side
    5,626.48x = 16,277,718.06
  5. Step 5: Solve for x
    x = 16,277,718.06/5,626.48
  6. Step 6: Final answer
    x = 2,893.06

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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.