Home / 6,438.23-9,657.23-2,055.65

Finding the Fourth Proportional to 6,438.23, 9,657.23 and 2,055.65

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Solution

The fourth proportional to 6,438.23, 9,657.23 and 2,055.65 is: 3,083.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,438.23 : 9,657.23 = 2,055.65 : x
  2. Step 2: Convert to fraction form
    6,438.23/9,657.23 = 2,055.65/x
  3. Step 3: Cross multiply
    6,438.23x = 9,657.23 × 2,055.65
  4. Step 4: Simplify right side
    6,438.23x = 19,851,826.29
  5. Step 5: Solve for x
    x = 19,851,826.29/6,438.23
  6. Step 6: Final answer
    x = 3,083.43

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1.5x scale

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.