Home / 5,445.64-7,511.77-3,425.83

Finding the Fourth Proportional to 5,445.64, 7,511.77 and 3,425.83

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Solution

The fourth proportional to 5,445.64, 7,511.77 and 3,425.83 is: 4,725.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.64 : 7,511.77 = 3,425.83 : x
  2. Step 2: Convert to fraction form
    5,445.64/7,511.77 = 3,425.83/x
  3. Step 3: Cross multiply
    5,445.64x = 7,511.77 × 3,425.83
  4. Step 4: Simplify right side
    5,445.64x = 25,734,047.02
  5. Step 5: Solve for x
    x = 25,734,047.02/5,445.64
  6. Step 6: Final answer
    x = 4,725.62

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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.