Home / 4,759.80-7,125.30-4,241.40

Finding the Fourth Proportional to 4,759.80, 7,125.30 and 4,241.40

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Solution

The fourth proportional to 4,759.80, 7,125.30 and 4,241.40 is: 6,349.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,759.80 : 7,125.30 = 4,241.40 : x
  2. Step 2: Convert to fraction form
    4,759.80/7,125.30 = 4,241.40/x
  3. Step 3: Cross multiply
    4,759.80x = 7,125.30 × 4,241.40
  4. Step 4: Simplify right side
    4,759.80x = 30,221,247.42
  5. Step 5: Solve for x
    x = 30,221,247.42/4,759.80
  6. Step 6: Final answer
    x = 6,349.27

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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.