Home / 7,860.37-11,789.15-2,595.45

Finding the Fourth Proportional to 7,860.37, 11,789.15 and 2,595.45

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Solution

The fourth proportional to 7,860.37, 11,789.15 and 2,595.45 is: 3,892.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,860.37 : 11,789.15 = 2,595.45 : x
  2. Step 2: Convert to fraction form
    7,860.37/11,789.15 = 2,595.45/x
  3. Step 3: Cross multiply
    7,860.37x = 11,789.15 × 2,595.45
  4. Step 4: Simplify right side
    7,860.37x = 30,598,169.34
  5. Step 5: Solve for x
    x = 30,598,169.34/7,860.37
  6. Step 6: Final answer
    x = 3,892.72

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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.