Home / 4,128.55-6,191.05-2,566.21

Finding the Fourth Proportional to 4,128.55, 6,191.05 and 2,566.21

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Solution

The fourth proportional to 4,128.55, 6,191.05 and 2,566.21 is: 3,848.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.55 : 6,191.05 = 2,566.21 : x
  2. Step 2: Convert to fraction form
    4,128.55/6,191.05 = 2,566.21/x
  3. Step 3: Cross multiply
    4,128.55x = 6,191.05 × 2,566.21
  4. Step 4: Simplify right side
    4,128.55x = 15,887,534.42
  5. Step 5: Solve for x
    x = 15,887,534.42/4,128.55
  6. Step 6: Final answer
    x = 3,848.21

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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.