Home / 8,530.67-12,780.41-6,184.85

Finding the Fourth Proportional to 8,530.67, 12,780.41 and 6,184.85

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Solution

The fourth proportional to 8,530.67, 12,780.41 and 6,184.85 is: 9,265.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,530.67 : 12,780.41 = 6,184.85 : x
  2. Step 2: Convert to fraction form
    8,530.67/12,780.41 = 6,184.85/x
  3. Step 3: Cross multiply
    8,530.67x = 12,780.41 × 6,184.85
  4. Step 4: Simplify right side
    8,530.67x = 79,044,918.79
  5. Step 5: Solve for x
    x = 79,044,918.79/8,530.67
  6. Step 6: Final answer
    x = 9,265.97

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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.