Home / 4,059.90-5,606.55-2,666.70

Finding the Fourth Proportional to 4,059.90, 5,606.55 and 2,666.70

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Solution

The fourth proportional to 4,059.90, 5,606.55 and 2,666.70 is: 3,682.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,059.90 : 5,606.55 = 2,666.70 : x
  2. Step 2: Convert to fraction form
    4,059.90/5,606.55 = 2,666.70/x
  3. Step 3: Cross multiply
    4,059.90x = 5,606.55 × 2,666.70
  4. Step 4: Simplify right side
    4,059.90x = 14,950,986.89
  5. Step 5: Solve for x
    x = 14,950,986.89/4,059.90
  6. Step 6: Final answer
    x = 3,682.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.