Home / 7,260.90-10,015.20-5,766.42

Finding the Fourth Proportional to 7,260.90, 10,015.20 and 5,766.42

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Solution

The fourth proportional to 7,260.90, 10,015.20 and 5,766.42 is: 7,953.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,260.90 : 10,015.20 = 5,766.42 : x
  2. Step 2: Convert to fraction form
    7,260.90/10,015.20 = 5,766.42/x
  3. Step 3: Cross multiply
    7,260.90x = 10,015.20 × 5,766.42
  4. Step 4: Simplify right side
    7,260.90x = 57,751,849.58
  5. Step 5: Solve for x
    x = 57,751,849.58/7,260.90
  6. Step 6: Final answer
    x = 7,953.81

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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.