Home / 8,649.09-12,967.56-3,025.40

Finding the Fourth Proportional to 8,649.09, 12,967.56 and 3,025.40

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Solution

The fourth proportional to 8,649.09, 12,967.56 and 3,025.40 is: 4,535.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,649.09 : 12,967.56 = 3,025.40 : x
  2. Step 2: Convert to fraction form
    8,649.09/12,967.56 = 3,025.40/x
  3. Step 3: Cross multiply
    8,649.09x = 12,967.56 × 3,025.40
  4. Step 4: Simplify right side
    8,649.09x = 39,231,991.19
  5. Step 5: Solve for x
    x = 39,231,991.19/8,649.09
  6. Step 6: Final answer
    x = 4,535.97

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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.