Home / 7,746.09-11,612.60-3,360.25

Finding the Fourth Proportional to 7,746.09, 11,612.60 and 3,360.25

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Solution

The fourth proportional to 7,746.09, 11,612.60 and 3,360.25 is: 5,037.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,746.09 : 11,612.60 = 3,360.25 : x
  2. Step 2: Convert to fraction form
    7,746.09/11,612.60 = 3,360.25/x
  3. Step 3: Cross multiply
    7,746.09x = 11,612.60 × 3,360.25
  4. Step 4: Simplify right side
    7,746.09x = 39,021,239.15
  5. Step 5: Solve for x
    x = 39,021,239.15/7,746.09
  6. Step 6: Final answer
    x = 5,037.54

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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.