Home / 4,421.86-6,628.81-1,646.59

Finding the Fourth Proportional to 4,421.86, 6,628.81 and 1,646.59

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Solution

The fourth proportional to 4,421.86, 6,628.81 and 1,646.59 is: 2,468.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,421.86 : 6,628.81 = 1,646.59 : x
  2. Step 2: Convert to fraction form
    4,421.86/6,628.81 = 1,646.59/x
  3. Step 3: Cross multiply
    4,421.86x = 6,628.81 × 1,646.59
  4. Step 4: Simplify right side
    4,421.86x = 10,914,932.26
  5. Step 5: Solve for x
    x = 10,914,932.26/4,421.86
  6. Step 6: Final answer
    x = 2,468.40

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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.