Home / 5,636.16-8,455.68-2,560.32

Finding the Fourth Proportional to 5,636.16, 8,455.68 and 2,560.32

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Solution

The fourth proportional to 5,636.16, 8,455.68 and 2,560.32 is: 3,841.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,636.16 : 8,455.68 = 2,560.32 : x
  2. Step 2: Convert to fraction form
    5,636.16/8,455.68 = 2,560.32/x
  3. Step 3: Cross multiply
    5,636.16x = 8,455.68 × 2,560.32
  4. Step 4: Simplify right side
    5,636.16x = 21,649,246.62
  5. Step 5: Solve for x
    x = 21,649,246.62/5,636.16
  6. Step 6: Final answer
    x = 3,841.13

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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.