Home / 7,508.77-11,267.79-3,813.65

Finding the Fourth Proportional to 7,508.77, 11,267.79 and 3,813.65

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Solution

The fourth proportional to 7,508.77, 11,267.79 and 3,813.65 is: 5,722.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,508.77 : 11,267.79 = 3,813.65 : x
  2. Step 2: Convert to fraction form
    7,508.77/11,267.79 = 3,813.65/x
  3. Step 3: Cross multiply
    7,508.77x = 11,267.79 × 3,813.65
  4. Step 4: Simplify right side
    7,508.77x = 42,971,437.24
  5. Step 5: Solve for x
    x = 42,971,437.24/7,508.77
  6. Step 6: Final answer
    x = 5,722.83

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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.