Home / 7,860.04-11,789.34-2,665.32

Finding the Fourth Proportional to 7,860.04, 11,789.34 and 2,665.32

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Solution

The fourth proportional to 7,860.04, 11,789.34 and 2,665.32 is: 3,997.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,860.04 : 11,789.34 = 2,665.32 : x
  2. Step 2: Convert to fraction form
    7,860.04/11,789.34 = 2,665.32/x
  3. Step 3: Cross multiply
    7,860.04x = 11,789.34 × 2,665.32
  4. Step 4: Simplify right side
    7,860.04x = 31,422,363.69
  5. Step 5: Solve for x
    x = 31,422,363.69/7,860.04
  6. Step 6: Final answer
    x = 3,997.74

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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.