Home / 5,440.15-8,160.26-1,491.32

Finding the Fourth Proportional to 5,440.15, 8,160.26 and 1,491.32

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Solution

The fourth proportional to 5,440.15, 8,160.26 and 1,491.32 is: 2,236.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.15 : 8,160.26 = 1,491.32 : x
  2. Step 2: Convert to fraction form
    5,440.15/8,160.26 = 1,491.32/x
  3. Step 3: Cross multiply
    5,440.15x = 8,160.26 × 1,491.32
  4. Step 4: Simplify right side
    5,440.15x = 12,169,558.94
  5. Step 5: Solve for x
    x = 12,169,558.94/5,440.15
  6. Step 6: Final answer
    x = 2,236.99

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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.