Home / 5,207.48-7,188.67-3,321.60

Finding the Fourth Proportional to 5,207.48, 7,188.67 and 3,321.60

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Solution

The fourth proportional to 5,207.48, 7,188.67 and 3,321.60 is: 4,585.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,207.48 : 7,188.67 = 3,321.60 : x
  2. Step 2: Convert to fraction form
    5,207.48/7,188.67 = 3,321.60/x
  3. Step 3: Cross multiply
    5,207.48x = 7,188.67 × 3,321.60
  4. Step 4: Simplify right side
    5,207.48x = 23,877,886.27
  5. Step 5: Solve for x
    x = 23,877,886.27/5,207.48
  6. Step 6: Final answer
    x = 4,585.31

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1.5x scale

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.