Home / 5,685.19-8,527.98-1,789.63

Finding the Fourth Proportional to 5,685.19, 8,527.98 and 1,789.63

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Solution

The fourth proportional to 5,685.19, 8,527.98 and 1,789.63 is: 2,684.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,685.19 : 8,527.98 = 1,789.63 : x
  2. Step 2: Convert to fraction form
    5,685.19/8,527.98 = 1,789.63/x
  3. Step 3: Cross multiply
    5,685.19x = 8,527.98 × 1,789.63
  4. Step 4: Simplify right side
    5,685.19x = 15,261,928.85
  5. Step 5: Solve for x
    x = 15,261,928.85/5,685.19
  6. Step 6: Final answer
    x = 2,684.51

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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.