Home / 5,445.68-7,515.54-3,208.25

Finding the Fourth Proportional to 5,445.68, 7,515.54 and 3,208.25

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Solution

The fourth proportional to 5,445.68, 7,515.54 and 3,208.25 is: 4,427.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.68 : 7,515.54 = 3,208.25 : x
  2. Step 2: Convert to fraction form
    5,445.68/7,515.54 = 3,208.25/x
  3. Step 3: Cross multiply
    5,445.68x = 7,515.54 × 3,208.25
  4. Step 4: Simplify right side
    5,445.68x = 24,111,693.63
  5. Step 5: Solve for x
    x = 24,111,693.63/5,445.68
  6. Step 6: Final answer
    x = 4,427.68

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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.