Home / 4,878.51-6,732.90-3,309.81

Finding the Fourth Proportional to 4,878.51, 6,732.90 and 3,309.81

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Solution

The fourth proportional to 4,878.51, 6,732.90 and 3,309.81 is: 4,567.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,878.51 : 6,732.90 = 3,309.81 : x
  2. Step 2: Convert to fraction form
    4,878.51/6,732.90 = 3,309.81/x
  3. Step 3: Cross multiply
    4,878.51x = 6,732.90 × 3,309.81
  4. Step 4: Simplify right side
    4,878.51x = 22,284,619.75
  5. Step 5: Solve for x
    x = 22,284,619.75/4,878.51
  6. Step 6: Final answer
    x = 4,567.92

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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.