Home / 9,268.17-12,790.08-5,289.20

Finding the Fourth Proportional to 9,268.17, 12,790.08 and 5,289.20

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Solution

The fourth proportional to 9,268.17, 12,790.08 and 5,289.20 is: 7,299.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,268.17 : 12,790.08 = 5,289.20 : x
  2. Step 2: Convert to fraction form
    9,268.17/12,790.08 = 5,289.20/x
  3. Step 3: Cross multiply
    9,268.17x = 12,790.08 × 5,289.20
  4. Step 4: Simplify right side
    9,268.17x = 67,649,260.27
  5. Step 5: Solve for x
    x = 67,649,260.27/9,268.17
  6. Step 6: Final answer
    x = 7,299.09

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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.