Home / 5,403.48-7,456.64-3,045.57

Finding the Fourth Proportional to 5,403.48, 7,456.64 and 3,045.57

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Solution

The fourth proportional to 5,403.48, 7,456.64 and 3,045.57 is: 4,202.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403.48 : 7,456.64 = 3,045.57 : x
  2. Step 2: Convert to fraction form
    5,403.48/7,456.64 = 3,045.57/x
  3. Step 3: Cross multiply
    5,403.48x = 7,456.64 × 3,045.57
  4. Step 4: Simplify right side
    5,403.48x = 22,709,703.86
  5. Step 5: Solve for x
    x = 22,709,703.86/5,403.48
  6. Step 6: Final answer
    x = 4,202.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.