Home / 6,237.72-9,358.28-2,078.40

Finding the Fourth Proportional to 6,237.72, 9,358.28 and 2,078.40

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Solution

The fourth proportional to 6,237.72, 9,358.28 and 2,078.40 is: 3,118.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,237.72 : 9,358.28 = 2,078.40 : x
  2. Step 2: Convert to fraction form
    6,237.72/9,358.28 = 2,078.40/x
  3. Step 3: Cross multiply
    6,237.72x = 9,358.28 × 2,078.40
  4. Step 4: Simplify right side
    6,237.72x = 19,450,249.15
  5. Step 5: Solve for x
    x = 19,450,249.15/6,237.72
  6. Step 6: Final answer
    x = 3,118.17

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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.