Home / 5,360.40-8,040.27-1,612.09

Finding the Fourth Proportional to 5,360.40, 8,040.27 and 1,612.09

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Solution

The fourth proportional to 5,360.40, 8,040.27 and 1,612.09 is: 2,418.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,360.40 : 8,040.27 = 1,612.09 : x
  2. Step 2: Convert to fraction form
    5,360.40/8,040.27 = 1,612.09/x
  3. Step 3: Cross multiply
    5,360.40x = 8,040.27 × 1,612.09
  4. Step 4: Simplify right side
    5,360.40x = 12,961,638.86
  5. Step 5: Solve for x
    x = 12,961,638.86/5,360.40
  6. Step 6: Final answer
    x = 2,418.04

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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.