Home / 4,768.80-6,581.01-3,090.88

Finding the Fourth Proportional to 4,768.80, 6,581.01 and 3,090.88

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Solution

The fourth proportional to 4,768.80, 6,581.01 and 3,090.88 is: 4,265.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,768.80 : 6,581.01 = 3,090.88 : x
  2. Step 2: Convert to fraction form
    4,768.80/6,581.01 = 3,090.88/x
  3. Step 3: Cross multiply
    4,768.80x = 6,581.01 × 3,090.88
  4. Step 4: Simplify right side
    4,768.80x = 20,341,112.19
  5. Step 5: Solve for x
    x = 20,341,112.19/4,768.80
  6. Step 6: Final answer
    x = 4,265.46

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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.