Home / 4,909.40-7,353.30-3,440.60

Finding the Fourth Proportional to 4,909.40, 7,353.30 and 3,440.60

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Solution

The fourth proportional to 4,909.40, 7,353.30 and 3,440.60 is: 5,153.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,909.40 : 7,353.30 = 3,440.60 : x
  2. Step 2: Convert to fraction form
    4,909.40/7,353.30 = 3,440.60/x
  3. Step 3: Cross multiply
    4,909.40x = 7,353.30 × 3,440.60
  4. Step 4: Simplify right side
    4,909.40x = 25,299,763.98
  5. Step 5: Solve for x
    x = 25,299,763.98/4,909.40
  6. Step 6: Final answer
    x = 5,153.33

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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.