Home / 4,429.77-6,638.81-2,086.59

Finding the Fourth Proportional to 4,429.77, 6,638.81 and 2,086.59

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Solution

The fourth proportional to 4,429.77, 6,638.81 and 2,086.59 is: 3,127.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,429.77 : 6,638.81 = 2,086.59 : x
  2. Step 2: Convert to fraction form
    4,429.77/6,638.81 = 2,086.59/x
  3. Step 3: Cross multiply
    4,429.77x = 6,638.81 × 2,086.59
  4. Step 4: Simplify right side
    4,429.77x = 13,852,464.12
  5. Step 5: Solve for x
    x = 13,852,464.12/4,429.77
  6. Step 6: Final answer
    x = 3,127.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.