Home / 7,616.76-11,423.76-4,105.12

Finding the Fourth Proportional to 7,616.76, 11,423.76 and 4,105.12

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Solution

The fourth proportional to 7,616.76, 11,423.76 and 4,105.12 is: 6,156.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,616.76 : 11,423.76 = 4,105.12 : x
  2. Step 2: Convert to fraction form
    7,616.76/11,423.76 = 4,105.12/x
  3. Step 3: Cross multiply
    7,616.76x = 11,423.76 × 4,105.12
  4. Step 4: Simplify right side
    7,616.76x = 46,895,905.65
  5. Step 5: Solve for x
    x = 46,895,905.65/7,616.76
  6. Step 6: Final answer
    x = 6,156.94

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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.