Home / 7,333.55-11,000.35-1,786.90

Finding the Fourth Proportional to 7,333.55, 11,000.35 and 1,786.90

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Solution

The fourth proportional to 7,333.55, 11,000.35 and 1,786.90 is: 2,680.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,333.55 : 11,000.35 = 1,786.90 : x
  2. Step 2: Convert to fraction form
    7,333.55/11,000.35 = 1,786.90/x
  3. Step 3: Cross multiply
    7,333.55x = 11,000.35 × 1,786.90
  4. Step 4: Simplify right side
    7,333.55x = 19,656,525.42
  5. Step 5: Solve for x
    x = 19,656,525.42/7,333.55
  6. Step 6: Final answer
    x = 2,680.36

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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.