Home / 5,080.41-7,621.38-1,570.77

Finding the Fourth Proportional to 5,080.41, 7,621.38 and 1,570.77

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Solution

The fourth proportional to 5,080.41, 7,621.38 and 1,570.77 is: 2,356.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,080.41 : 7,621.38 = 1,570.77 : x
  2. Step 2: Convert to fraction form
    5,080.41/7,621.38 = 1,570.77/x
  3. Step 3: Cross multiply
    5,080.41x = 7,621.38 × 1,570.77
  4. Step 4: Simplify right side
    5,080.41x = 11,971,435.06
  5. Step 5: Solve for x
    x = 11,971,435.06/5,080.41
  6. Step 6: Final answer
    x = 2,356.39

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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.