Home / 6,555.75-9,046.85-3,903.09

Finding the Fourth Proportional to 6,555.75, 9,046.85 and 3,903.09

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Solution

The fourth proportional to 6,555.75, 9,046.85 and 3,903.09 is: 5,386.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,555.75 : 9,046.85 = 3,903.09 : x
  2. Step 2: Convert to fraction form
    6,555.75/9,046.85 = 3,903.09/x
  3. Step 3: Cross multiply
    6,555.75x = 9,046.85 × 3,903.09
  4. Step 4: Simplify right side
    6,555.75x = 35,310,650.25
  5. Step 5: Solve for x
    x = 35,310,650.25/6,555.75
  6. Step 6: Final answer
    x = 5,386.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.