Home / 4,809.66-6,637.38-2,820.27

Finding the Fourth Proportional to 4,809.66, 6,637.38 and 2,820.27

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Solution

The fourth proportional to 4,809.66, 6,637.38 and 2,820.27 is: 3,892.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,809.66 : 6,637.38 = 2,820.27 : x
  2. Step 2: Convert to fraction form
    4,809.66/6,637.38 = 2,820.27/x
  3. Step 3: Cross multiply
    4,809.66x = 6,637.38 × 2,820.27
  4. Step 4: Simplify right side
    4,809.66x = 18,719,203.69
  5. Step 5: Solve for x
    x = 18,719,203.69/4,809.66
  6. Step 6: Final answer
    x = 3,892.00

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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.