Home / 8,664.52-12,998.70-4,045

Finding the Fourth Proportional to 8,664.52, 12,998.70 and 4,045

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Solution

The fourth proportional to 8,664.52, 12,998.70 and 4,045 is: 6,068.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,664.52 : 12,998.70 = 4,045 : x
  2. Step 2: Convert to fraction form
    8,664.52/12,998.70 = 4,045/x
  3. Step 3: Cross multiply
    8,664.52x = 12,998.70 × 4,045
  4. Step 4: Simplify right side
    8,664.52x = 52,579,741.50
  5. Step 5: Solve for x
    x = 52,579,741.50/8,664.52
  6. Step 6: Final answer
    x = 6,068.40

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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.