Home / 5,113.20-7,669.80-4,293.09

Finding the Fourth Proportional to 5,113.20, 7,669.80 and 4,293.09

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Solution

The fourth proportional to 5,113.20, 7,669.80 and 4,293.09 is: 6,439.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,113.20 : 7,669.80 = 4,293.09 : x
  2. Step 2: Convert to fraction form
    5,113.20/7,669.80 = 4,293.09/x
  3. Step 3: Cross multiply
    5,113.20x = 7,669.80 × 4,293.09
  4. Step 4: Simplify right side
    5,113.20x = 32,927,141.68
  5. Step 5: Solve for x
    x = 32,927,141.68/5,113.20
  6. Step 6: Final answer
    x = 6,439.64

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Similar ratio
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1.5x scale

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.