Home / 5,394.69-7,445.78-3,403.91

Finding the Fourth Proportional to 5,394.69, 7,445.78 and 3,403.91

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Solution

The fourth proportional to 5,394.69, 7,445.78 and 3,403.91 is: 4,698.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,394.69 : 7,445.78 = 3,403.91 : x
  2. Step 2: Convert to fraction form
    5,394.69/7,445.78 = 3,403.91/x
  3. Step 3: Cross multiply
    5,394.69x = 7,445.78 × 3,403.91
  4. Step 4: Simplify right side
    5,394.69x = 25,344,710.75
  5. Step 5: Solve for x
    x = 25,344,710.75/5,394.69
  6. Step 6: Final answer
    x = 4,698.08

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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.