Home / 7,890.61-11,827.51-5,936.77

Finding the Fourth Proportional to 7,890.61, 11,827.51 and 5,936.77

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Solution

The fourth proportional to 7,890.61, 11,827.51 and 5,936.77 is: 8,898.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,890.61 : 11,827.51 = 5,936.77 : x
  2. Step 2: Convert to fraction form
    7,890.61/11,827.51 = 5,936.77/x
  3. Step 3: Cross multiply
    7,890.61x = 11,827.51 × 5,936.77
  4. Step 4: Simplify right side
    7,890.61x = 70,217,206.54
  5. Step 5: Solve for x
    x = 70,217,206.54/7,890.61
  6. Step 6: Final answer
    x = 8,898.83

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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.