Home / 8,633.51-12,950.81-3,439.25

Finding the Fourth Proportional to 8,633.51, 12,950.81 and 3,439.25

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Solution

The fourth proportional to 8,633.51, 12,950.81 and 3,439.25 is: 5,159.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,633.51 : 12,950.81 = 3,439.25 : x
  2. Step 2: Convert to fraction form
    8,633.51/12,950.81 = 3,439.25/x
  3. Step 3: Cross multiply
    8,633.51x = 12,950.81 × 3,439.25
  4. Step 4: Simplify right side
    8,633.51x = 44,541,073.29
  5. Step 5: Solve for x
    x = 44,541,073.29/8,633.51
  6. Step 6: Final answer
    x = 5,159.09

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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.