Home / 9,477.03-13,078.01-5,228.28

Finding the Fourth Proportional to 9,477.03, 13,078.01 and 5,228.28

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Solution

The fourth proportional to 9,477.03, 13,078.01 and 5,228.28 is: 7,214.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,477.03 : 13,078.01 = 5,228.28 : x
  2. Step 2: Convert to fraction form
    9,477.03/13,078.01 = 5,228.28/x
  3. Step 3: Cross multiply
    9,477.03x = 13,078.01 × 5,228.28
  4. Step 4: Simplify right side
    9,477.03x = 68,375,471.98
  5. Step 5: Solve for x
    x = 68,375,471.98/9,477.03
  6. Step 6: Final answer
    x = 7,214.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.