Home / 4,682.78-6,460.68-3,090.21

Finding the Fourth Proportional to 4,682.78, 6,460.68 and 3,090.21

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Solution

The fourth proportional to 4,682.78, 6,460.68 and 3,090.21 is: 4,263.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,682.78 : 6,460.68 = 3,090.21 : x
  2. Step 2: Convert to fraction form
    4,682.78/6,460.68 = 3,090.21/x
  3. Step 3: Cross multiply
    4,682.78x = 6,460.68 × 3,090.21
  4. Step 4: Simplify right side
    4,682.78x = 19,964,842.49
  5. Step 5: Solve for x
    x = 19,964,842.49/4,682.78
  6. Step 6: Final answer
    x = 4,263.46

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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.