Home / 7,749.90-11,616.56-3,585.06

Finding the Fourth Proportional to 7,749.90, 11,616.56 and 3,585.06

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Solution

The fourth proportional to 7,749.90, 11,616.56 and 3,585.06 is: 5,373.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,749.90 : 11,616.56 = 3,585.06 : x
  2. Step 2: Convert to fraction form
    7,749.90/11,616.56 = 3,585.06/x
  3. Step 3: Cross multiply
    7,749.90x = 11,616.56 × 3,585.06
  4. Step 4: Simplify right side
    7,749.90x = 41,646,064.59
  5. Step 5: Solve for x
    x = 41,646,064.59/7,749.90
  6. Step 6: Final answer
    x = 5,373.76

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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.