Home / 4,458.48-6,685.80-1,687.38

Finding the Fourth Proportional to 4,458.48, 6,685.80 and 1,687.38

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Solution

The fourth proportional to 4,458.48, 6,685.80 and 1,687.38 is: 2,530.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,458.48 : 6,685.80 = 1,687.38 : x
  2. Step 2: Convert to fraction form
    4,458.48/6,685.80 = 1,687.38/x
  3. Step 3: Cross multiply
    4,458.48x = 6,685.80 × 1,687.38
  4. Step 4: Simplify right side
    4,458.48x = 11,281,485.20
  5. Step 5: Solve for x
    x = 11,281,485.20/4,458.48
  6. Step 6: Final answer
    x = 2,530.34

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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.