Home / 3,966.08-5,477.58-3,080.55

Finding the Fourth Proportional to 3,966.08, 5,477.58 and 3,080.55

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Solution

The fourth proportional to 3,966.08, 5,477.58 and 3,080.55 is: 4,254.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,966.08 : 5,477.58 = 3,080.55 : x
  2. Step 2: Convert to fraction form
    3,966.08/5,477.58 = 3,080.55/x
  3. Step 3: Cross multiply
    3,966.08x = 5,477.58 × 3,080.55
  4. Step 4: Simplify right side
    3,966.08x = 16,873,943.67
  5. Step 5: Solve for x
    x = 16,873,943.67/3,966.08
  6. Step 6: Final answer
    x = 4,254.56

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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.