Home / 7,581.72-11,357.70-4,284.76

Finding the Fourth Proportional to 7,581.72, 11,357.70 and 4,284.76

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Solution

The fourth proportional to 7,581.72, 11,357.70 and 4,284.76 is: 6,418.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,581.72 : 11,357.70 = 4,284.76 : x
  2. Step 2: Convert to fraction form
    7,581.72/11,357.70 = 4,284.76/x
  3. Step 3: Cross multiply
    7,581.72x = 11,357.70 × 4,284.76
  4. Step 4: Simplify right side
    7,581.72x = 48,665,018.65
  5. Step 5: Solve for x
    x = 48,665,018.65/7,581.72
  6. Step 6: Final answer
    x = 6,418.73

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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.