Home / 5,080.16-7,620.96-1,570.47

Finding the Fourth Proportional to 5,080.16, 7,620.96 and 1,570.47

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Solution

The fourth proportional to 5,080.16, 7,620.96 and 1,570.47 is: 2,355.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,080.16 : 7,620.96 = 1,570.47 : x
  2. Step 2: Convert to fraction form
    5,080.16/7,620.96 = 1,570.47/x
  3. Step 3: Cross multiply
    5,080.16x = 7,620.96 × 1,570.47
  4. Step 4: Simplify right side
    5,080.16x = 11,968,489.05
  5. Step 5: Solve for x
    x = 11,968,489.05/5,080.16
  6. Step 6: Final answer
    x = 2,355.93

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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.