Home / 5,412.96-7,474.16-3,525.44

Finding the Fourth Proportional to 5,412.96, 7,474.16 and 3,525.44

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Solution

The fourth proportional to 5,412.96, 7,474.16 and 3,525.44 is: 4,867.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,412.96 : 7,474.16 = 3,525.44 : x
  2. Step 2: Convert to fraction form
    5,412.96/7,474.16 = 3,525.44/x
  3. Step 3: Cross multiply
    5,412.96x = 7,474.16 × 3,525.44
  4. Step 4: Simplify right side
    5,412.96x = 26,349,702.63
  5. Step 5: Solve for x
    x = 26,349,702.63/5,412.96
  6. Step 6: Final answer
    x = 4,867.89

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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.