Home / 6,438.48-9,656.91-2,055.57

Finding the Fourth Proportional to 6,438.48, 9,656.91 and 2,055.57

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Solution

The fourth proportional to 6,438.48, 9,656.91 and 2,055.57 is: 3,083.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,438.48 : 9,656.91 = 2,055.57 : x
  2. Step 2: Convert to fraction form
    6,438.48/9,656.91 = 2,055.57/x
  3. Step 3: Cross multiply
    6,438.48x = 9,656.91 × 2,055.57
  4. Step 4: Simplify right side
    6,438.48x = 19,850,454.49
  5. Step 5: Solve for x
    x = 19,850,454.49/6,438.48
  6. Step 6: Final answer
    x = 3,083.10

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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.