Home / 5,784.40-8,675.76-2,086.06

Finding the Fourth Proportional to 5,784.40, 8,675.76 and 2,086.06

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Solution

The fourth proportional to 5,784.40, 8,675.76 and 2,086.06 is: 3,128.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,784.40 : 8,675.76 = 2,086.06 : x
  2. Step 2: Convert to fraction form
    5,784.40/8,675.76 = 2,086.06/x
  3. Step 3: Cross multiply
    5,784.40x = 8,675.76 × 2,086.06
  4. Step 4: Simplify right side
    5,784.40x = 18,098,155.91
  5. Step 5: Solve for x
    x = 18,098,155.91/5,784.40
  6. Step 6: Final answer
    x = 3,128.79

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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.