Home / 5,418.98-8,130.48-3,314.93

Finding the Fourth Proportional to 5,418.98, 8,130.48 and 3,314.93

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Solution

The fourth proportional to 5,418.98, 8,130.48 and 3,314.93 is: 4,973.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,418.98 : 8,130.48 = 3,314.93 : x
  2. Step 2: Convert to fraction form
    5,418.98/8,130.48 = 3,314.93/x
  3. Step 3: Cross multiply
    5,418.98x = 8,130.48 × 3,314.93
  4. Step 4: Simplify right side
    5,418.98x = 26,951,931.41
  5. Step 5: Solve for x
    x = 26,951,931.41/5,418.98
  6. Step 6: Final answer
    x = 4,973.62

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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.