Home / 4,765.13-6,575.79-2,640.80

Finding the Fourth Proportional to 4,765.13, 6,575.79 and 2,640.80

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Solution

The fourth proportional to 4,765.13, 6,575.79 and 2,640.80 is: 3,644.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,765.13 : 6,575.79 = 2,640.80 : x
  2. Step 2: Convert to fraction form
    4,765.13/6,575.79 = 2,640.80/x
  3. Step 3: Cross multiply
    4,765.13x = 6,575.79 × 2,640.80
  4. Step 4: Simplify right side
    4,765.13x = 17,365,346.23
  5. Step 5: Solve for x
    x = 17,365,346.23/4,765.13
  6. Step 6: Final answer
    x = 3,644.25

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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.