Home / 5,666.46-8,499.72-1,771.20

Finding the Fourth Proportional to 5,666.46, 8,499.72 and 1,771.20

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Solution

The fourth proportional to 5,666.46, 8,499.72 and 1,771.20 is: 2,656.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,666.46 : 8,499.72 = 1,771.20 : x
  2. Step 2: Convert to fraction form
    5,666.46/8,499.72 = 1,771.20/x
  3. Step 3: Cross multiply
    5,666.46x = 8,499.72 × 1,771.20
  4. Step 4: Simplify right side
    5,666.46x = 15,054,704.06
  5. Step 5: Solve for x
    x = 15,054,704.06/5,666.46
  6. Step 6: Final answer
    x = 2,656.81

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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.