Home / 5,751.21-8,626.59-1,855.50

Finding the Fourth Proportional to 5,751.21, 8,626.59 and 1,855.50

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Solution

The fourth proportional to 5,751.21, 8,626.59 and 1,855.50 is: 2,783.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,751.21 : 8,626.59 = 1,855.50 : x
  2. Step 2: Convert to fraction form
    5,751.21/8,626.59 = 1,855.50/x
  3. Step 3: Cross multiply
    5,751.21x = 8,626.59 × 1,855.50
  4. Step 4: Simplify right side
    5,751.21x = 16,006,637.75
  5. Step 5: Solve for x
    x = 16,006,637.75/5,751.21
  6. Step 6: Final answer
    x = 2,783.18

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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.