Home / 7,583.72-11,374.94-3,479.72

Finding the Fourth Proportional to 7,583.72, 11,374.94 and 3,479.72

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Solution

The fourth proportional to 7,583.72, 11,374.94 and 3,479.72 is: 5,219.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,583.72 : 11,374.94 = 3,479.72 : x
  2. Step 2: Convert to fraction form
    7,583.72/11,374.94 = 3,479.72/x
  3. Step 3: Cross multiply
    7,583.72x = 11,374.94 × 3,479.72
  4. Step 4: Simplify right side
    7,583.72x = 39,581,606.22
  5. Step 5: Solve for x
    x = 39,581,606.22/7,583.72
  6. Step 6: Final answer
    x = 5,219.29

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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.