Home / 7,749-11,625.80-4,464.45

Finding the Fourth Proportional to 7,749, 11,625.80 and 4,464.45

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Solution

The fourth proportional to 7,749, 11,625.80 and 4,464.45 is: 6,698.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,749 : 11,625.80 = 4,464.45 : x
  2. Step 2: Convert to fraction form
    7,749/11,625.80 = 4,464.45/x
  3. Step 3: Cross multiply
    7,749x = 11,625.80 × 4,464.45
  4. Step 4: Simplify right side
    7,749x = 51,902,780.49
  5. Step 5: Solve for x
    x = 51,902,780.49/7,749
  6. Step 6: Final answer
    x = 6,698.00

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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.