Home / 8,634.36-12,951.14-3,088.08

Finding the Fourth Proportional to 8,634.36, 12,951.14 and 3,088.08

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Solution

The fourth proportional to 8,634.36, 12,951.14 and 3,088.08 is: 4,631.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,634.36 : 12,951.14 = 3,088.08 : x
  2. Step 2: Convert to fraction form
    8,634.36/12,951.14 = 3,088.08/x
  3. Step 3: Cross multiply
    8,634.36x = 12,951.14 × 3,088.08
  4. Step 4: Simplify right side
    8,634.36x = 39,994,156.41
  5. Step 5: Solve for x
    x = 39,994,156.41/8,634.36
  6. Step 6: Final answer
    x = 4,631.98

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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.