Home / 8,374.04-12,563.15-3,110.55

Finding the Fourth Proportional to 8,374.04, 12,563.15 and 3,110.55

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Solution

The fourth proportional to 8,374.04, 12,563.15 and 3,110.55 is: 4,666.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,374.04 : 12,563.15 = 3,110.55 : x
  2. Step 2: Convert to fraction form
    8,374.04/12,563.15 = 3,110.55/x
  3. Step 3: Cross multiply
    8,374.04x = 12,563.15 × 3,110.55
  4. Step 4: Simplify right side
    8,374.04x = 39,078,314.01
  5. Step 5: Solve for x
    x = 39,078,314.01/8,374.04
  6. Step 6: Final answer
    x = 4,666.60

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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.