Home / 9,216.72-12,719.03-5,237.60

Finding the Fourth Proportional to 9,216.72, 12,719.03 and 5,237.60

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Solution

The fourth proportional to 9,216.72, 12,719.03 and 5,237.60 is: 7,227.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,216.72 : 12,719.03 = 5,237.60 : x
  2. Step 2: Convert to fraction form
    9,216.72/12,719.03 = 5,237.60/x
  3. Step 3: Cross multiply
    9,216.72x = 12,719.03 × 5,237.60
  4. Step 4: Simplify right side
    9,216.72x = 66,617,101.74
  5. Step 5: Solve for x
    x = 66,617,101.74/9,216.72
  6. Step 6: Final answer
    x = 7,227.85

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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.