Home / 4,910.40-7,351.20-4,334.40

Finding the Fourth Proportional to 4,910.40, 7,351.20 and 4,334.40

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Solution

The fourth proportional to 4,910.40, 7,351.20 and 4,334.40 is: 6,488.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,910.40 : 7,351.20 = 4,334.40 : x
  2. Step 2: Convert to fraction form
    4,910.40/7,351.20 = 4,334.40/x
  3. Step 3: Cross multiply
    4,910.40x = 7,351.20 × 4,334.40
  4. Step 4: Simplify right side
    4,910.40x = 31,863,041.28
  5. Step 5: Solve for x
    x = 31,863,041.28/4,910.40
  6. Step 6: Final answer
    x = 6,488.89

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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.