Home / 5,403.53-8,105.01-1,892.45

Finding the Fourth Proportional to 5,403.53, 8,105.01 and 1,892.45

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Solution

The fourth proportional to 5,403.53, 8,105.01 and 1,892.45 is: 2,838.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403.53 : 8,105.01 = 1,892.45 : x
  2. Step 2: Convert to fraction form
    5,403.53/8,105.01 = 1,892.45/x
  3. Step 3: Cross multiply
    5,403.53x = 8,105.01 × 1,892.45
  4. Step 4: Simplify right side
    5,403.53x = 15,338,285.65
  5. Step 5: Solve for x
    x = 15,338,285.65/5,403.53
  6. Step 6: Final answer
    x = 2,838.57

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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.