Home / 5,685.12-8,513.44-3,598.83

Finding the Fourth Proportional to 5,685.12, 8,513.44 and 3,598.83

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Solution

The fourth proportional to 5,685.12, 8,513.44 and 3,598.83 is: 5,389.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,685.12 : 8,513.44 = 3,598.83 : x
  2. Step 2: Convert to fraction form
    5,685.12/8,513.44 = 3,598.83/x
  3. Step 3: Cross multiply
    5,685.12x = 8,513.44 × 3,598.83
  4. Step 4: Simplify right side
    5,685.12x = 30,638,414.28
  5. Step 5: Solve for x
    x = 30,638,414.28/5,685.12
  6. Step 6: Final answer
    x = 5,389.23

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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.