Home / 5,172.63-7,754.40-2,054.84

Finding the Fourth Proportional to 5,172.63, 7,754.40 and 2,054.84

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Solution

The fourth proportional to 5,172.63, 7,754.40 and 2,054.84 is: 3,080.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,172.63 : 7,754.40 = 2,054.84 : x
  2. Step 2: Convert to fraction form
    5,172.63/7,754.40 = 2,054.84/x
  3. Step 3: Cross multiply
    5,172.63x = 7,754.40 × 2,054.84
  4. Step 4: Simplify right side
    5,172.63x = 15,934,012.52
  5. Step 5: Solve for x
    x = 15,934,012.52/5,172.63
  6. Step 6: Final answer
    x = 3,080.45

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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.