Home / 6,438.13-9,657.71-2,055.59

Finding the Fourth Proportional to 6,438.13, 9,657.71 and 2,055.59

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Solution

The fourth proportional to 6,438.13, 9,657.71 and 2,055.59 is: 3,083.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,438.13 : 9,657.71 = 2,055.59 : x
  2. Step 2: Convert to fraction form
    6,438.13/9,657.71 = 2,055.59/x
  3. Step 3: Cross multiply
    6,438.13x = 9,657.71 × 2,055.59
  4. Step 4: Simplify right side
    6,438.13x = 19,852,343.34
  5. Step 5: Solve for x
    x = 19,852,343.34/6,438.13
  6. Step 6: Final answer
    x = 3,083.56

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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.