Home / 7,080.96-10,621.26-1,886.82

Finding the Fourth Proportional to 7,080.96, 10,621.26 and 1,886.82

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Solution

The fourth proportional to 7,080.96, 10,621.26 and 1,886.82 is: 2,830.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,080.96 : 10,621.26 = 1,886.82 : x
  2. Step 2: Convert to fraction form
    7,080.96/10,621.26 = 1,886.82/x
  3. Step 3: Cross multiply
    7,080.96x = 10,621.26 × 1,886.82
  4. Step 4: Simplify right side
    7,080.96x = 20,040,405.79
  5. Step 5: Solve for x
    x = 20,040,405.79/7,080.96
  6. Step 6: Final answer
    x = 2,830.18

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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.