Home / 7,749.98-11,630.46-3,368.72

Finding the Fourth Proportional to 7,749.98, 11,630.46 and 3,368.72

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Solution

The fourth proportional to 7,749.98, 11,630.46 and 3,368.72 is: 5,055.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,749.98 : 11,630.46 = 3,368.72 : x
  2. Step 2: Convert to fraction form
    7,749.98/11,630.46 = 3,368.72/x
  3. Step 3: Cross multiply
    7,749.98x = 11,630.46 × 3,368.72
  4. Step 4: Simplify right side
    7,749.98x = 39,179,763.21
  5. Step 5: Solve for x
    x = 39,179,763.21/7,749.98
  6. Step 6: Final answer
    x = 5,055.47

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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.