Home / 4,290.77-6,436.16-4,080.88

Finding the Fourth Proportional to 4,290.77, 6,436.16 and 4,080.88

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Solution

The fourth proportional to 4,290.77, 6,436.16 and 4,080.88 is: 6,121.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,290.77 : 6,436.16 = 4,080.88 : x
  2. Step 2: Convert to fraction form
    4,290.77/6,436.16 = 4,080.88/x
  3. Step 3: Cross multiply
    4,290.77x = 6,436.16 × 4,080.88
  4. Step 4: Simplify right side
    4,290.77x = 26,265,199.56
  5. Step 5: Solve for x
    x = 26,265,199.56/4,290.77
  6. Step 6: Final answer
    x = 6,121.32

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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.