Home / 5,555.04-8,321.56-2,918.60

Finding the Fourth Proportional to 5,555.04, 8,321.56 and 2,918.60

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Solution

The fourth proportional to 5,555.04, 8,321.56 and 2,918.60 is: 4,372.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,555.04 : 8,321.56 = 2,918.60 : x
  2. Step 2: Convert to fraction form
    5,555.04/8,321.56 = 2,918.60/x
  3. Step 3: Cross multiply
    5,555.04x = 8,321.56 × 2,918.60
  4. Step 4: Simplify right side
    5,555.04x = 24,287,305.02
  5. Step 5: Solve for x
    x = 24,287,305.02/5,555.04
  6. Step 6: Final answer
    x = 4,372.12

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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.