Home / 5,685.44-8,528.46-1,790.15

Finding the Fourth Proportional to 5,685.44, 8,528.46 and 1,790.15

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Solution

The fourth proportional to 5,685.44, 8,528.46 and 1,790.15 is: 2,685.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,685.44 : 8,528.46 = 1,790.15 : x
  2. Step 2: Convert to fraction form
    5,685.44/8,528.46 = 1,790.15/x
  3. Step 3: Cross multiply
    5,685.44x = 8,528.46 × 1,790.15
  4. Step 4: Simplify right side
    5,685.44x = 15,267,201.35
  5. Step 5: Solve for x
    x = 15,267,201.35/5,685.44
  6. Step 6: Final answer
    x = 2,685.32

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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.