Home / 5,205.35-7,810.09-2,281.60

Finding the Fourth Proportional to 5,205.35, 7,810.09 and 2,281.60

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Solution

The fourth proportional to 5,205.35, 7,810.09 and 2,281.60 is: 3,423.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,205.35 : 7,810.09 = 2,281.60 : x
  2. Step 2: Convert to fraction form
    5,205.35/7,810.09 = 2,281.60/x
  3. Step 3: Cross multiply
    5,205.35x = 7,810.09 × 2,281.60
  4. Step 4: Simplify right side
    5,205.35x = 17,819,505.40
  5. Step 5: Solve for x
    x = 17,819,505.40/5,205.35
  6. Step 6: Final answer
    x = 3,423.31

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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.