Home / 6,439.08-9,657.71-2,055.97

Finding the Fourth Proportional to 6,439.08, 9,657.71 and 2,055.97

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Solution

The fourth proportional to 6,439.08, 9,657.71 and 2,055.97 is: 3,083.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,439.08 : 9,657.71 = 2,055.97 : x
  2. Step 2: Convert to fraction form
    6,439.08/9,657.71 = 2,055.97/x
  3. Step 3: Cross multiply
    6,439.08x = 9,657.71 × 2,055.97
  4. Step 4: Simplify right side
    6,439.08x = 19,855,962.03
  5. Step 5: Solve for x
    x = 19,855,962.03/6,439.08
  6. Step 6: Final answer
    x = 3,083.66

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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.