Home / 5,418.81-7,477.92-3,060.95

Finding the Fourth Proportional to 5,418.81, 7,477.92 and 3,060.95

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Solution

The fourth proportional to 5,418.81, 7,477.92 and 3,060.95 is: 4,224.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,418.81 : 7,477.92 = 3,060.95 : x
  2. Step 2: Convert to fraction form
    5,418.81/7,477.92 = 3,060.95/x
  3. Step 3: Cross multiply
    5,418.81x = 7,477.92 × 3,060.95
  4. Step 4: Simplify right side
    5,418.81x = 22,889,501.83
  5. Step 5: Solve for x
    x = 22,889,501.83/5,418.81
  6. Step 6: Final answer
    x = 4,224.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.