Home / 5,775.81-8,660.64-2,999.69

Finding the Fourth Proportional to 5,775.81, 8,660.64 and 2,999.69

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Solution

The fourth proportional to 5,775.81, 8,660.64 and 2,999.69 is: 4,497.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,775.81 : 8,660.64 = 2,999.69 : x
  2. Step 2: Convert to fraction form
    5,775.81/8,660.64 = 2,999.69/x
  3. Step 3: Cross multiply
    5,775.81x = 8,660.64 × 2,999.69
  4. Step 4: Simplify right side
    5,775.81x = 25,979,235.20
  5. Step 5: Solve for x
    x = 25,979,235.20/5,775.81
  6. Step 6: Final answer
    x = 4,497.94

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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.