Home / 5,855.46-8,783.20-2,156.08

Finding the Fourth Proportional to 5,855.46, 8,783.20 and 2,156.08

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Solution

The fourth proportional to 5,855.46, 8,783.20 and 2,156.08 is: 3,234.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,855.46 : 8,783.20 = 2,156.08 : x
  2. Step 2: Convert to fraction form
    5,855.46/8,783.20 = 2,156.08/x
  3. Step 3: Cross multiply
    5,855.46x = 8,783.20 × 2,156.08
  4. Step 4: Simplify right side
    5,855.46x = 18,937,281.86
  5. Step 5: Solve for x
    x = 18,937,281.86/5,855.46
  6. Step 6: Final answer
    x = 3,234.12

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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.