Home / 8,787.35-12,113.93-6,265.09

Finding the Fourth Proportional to 8,787.35, 12,113.93 and 6,265.09

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Solution

The fourth proportional to 8,787.35, 12,113.93 and 6,265.09 is: 8,636.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,787.35 : 12,113.93 = 6,265.09 : x
  2. Step 2: Convert to fraction form
    8,787.35/12,113.93 = 6,265.09/x
  3. Step 3: Cross multiply
    8,787.35x = 12,113.93 × 6,265.09
  4. Step 4: Simplify right side
    8,787.35x = 75,894,866.37
  5. Step 5: Solve for x
    x = 75,894,866.37/8,787.35
  6. Step 6: Final answer
    x = 8,636.83

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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.