Home / 5,403.18-8,100.83-3,643.81

Finding the Fourth Proportional to 5,403.18, 8,100.83 and 3,643.81

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Solution

The fourth proportional to 5,403.18, 8,100.83 and 3,643.81 is: 5,463.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403.18 : 8,100.83 = 3,643.81 : x
  2. Step 2: Convert to fraction form
    5,403.18/8,100.83 = 3,643.81/x
  3. Step 3: Cross multiply
    5,403.18x = 8,100.83 × 3,643.81
  4. Step 4: Simplify right side
    5,403.18x = 29,517,885.36
  5. Step 5: Solve for x
    x = 29,517,885.36/5,403.18
  6. Step 6: Final answer
    x = 5,463.06

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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.