Home / 7,618.95-11,424.99-3,458.79

Finding the Fourth Proportional to 7,618.95, 11,424.99 and 3,458.79

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Solution

The fourth proportional to 7,618.95, 11,424.99 and 3,458.79 is: 5,186.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,618.95 : 11,424.99 = 3,458.79 : x
  2. Step 2: Convert to fraction form
    7,618.95/11,424.99 = 3,458.79/x
  3. Step 3: Cross multiply
    7,618.95x = 11,424.99 × 3,458.79
  4. Step 4: Simplify right side
    7,618.95x = 39,516,641.16
  5. Step 5: Solve for x
    x = 39,516,641.16/7,618.95
  6. Step 6: Final answer
    x = 5,186.63

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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.