Home / 5,403.48-8,108.64-2,116.49

Finding the Fourth Proportional to 5,403.48, 8,108.64 and 2,116.49

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Solution

The fourth proportional to 5,403.48, 8,108.64 and 2,116.49 is: 3,176.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403.48 : 8,108.64 = 2,116.49 : x
  2. Step 2: Convert to fraction form
    5,403.48/8,108.64 = 2,116.49/x
  3. Step 3: Cross multiply
    5,403.48x = 8,108.64 × 2,116.49
  4. Step 4: Simplify right side
    5,403.48x = 17,161,804.35
  5. Step 5: Solve for x
    x = 17,161,804.35/5,403.48
  6. Step 6: Final answer
    x = 3,176.07

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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.