Home / 5,907.24-8,155.38-3,920.49

Finding the Fourth Proportional to 5,907.24, 8,155.38 and 3,920.49

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Solution

The fourth proportional to 5,907.24, 8,155.38 and 3,920.49 is: 5,412.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,907.24 : 8,155.38 = 3,920.49 : x
  2. Step 2: Convert to fraction form
    5,907.24/8,155.38 = 3,920.49/x
  3. Step 3: Cross multiply
    5,907.24x = 8,155.38 × 3,920.49
  4. Step 4: Simplify right side
    5,907.24x = 31,973,085.74
  5. Step 5: Solve for x
    x = 31,973,085.74/5,907.24
  6. Step 6: Final answer
    x = 5,412.53

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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.