Home / 9,278.96-12,801.78-5,297.27

Finding the Fourth Proportional to 9,278.96, 12,801.78 and 5,297.27

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Solution

The fourth proportional to 9,278.96, 12,801.78 and 5,297.27 is: 7,308.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,278.96 : 12,801.78 = 5,297.27 : x
  2. Step 2: Convert to fraction form
    9,278.96/12,801.78 = 5,297.27/x
  3. Step 3: Cross multiply
    9,278.96x = 12,801.78 × 5,297.27
  4. Step 4: Simplify right side
    9,278.96x = 67,814,421.13
  5. Step 5: Solve for x
    x = 67,814,421.13/9,278.96
  6. Step 6: Final answer
    x = 7,308.41

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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.