Home / 4,080.89-6,117.45-1,305.77

Finding the Fourth Proportional to 4,080.89, 6,117.45 and 1,305.77

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Solution

The fourth proportional to 4,080.89, 6,117.45 and 1,305.77 is: 1,957.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.89 : 6,117.45 = 1,305.77 : x
  2. Step 2: Convert to fraction form
    4,080.89/6,117.45 = 1,305.77/x
  3. Step 3: Cross multiply
    4,080.89x = 6,117.45 × 1,305.77
  4. Step 4: Simplify right side
    4,080.89x = 7,987,960.86
  5. Step 5: Solve for x
    x = 7,987,960.86/4,080.89
  6. Step 6: Final answer
    x = 1,957.41

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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.