Home / 5,681.84-8,516.55-2,753.60

Finding the Fourth Proportional to 5,681.84, 8,516.55 and 2,753.60

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Solution

The fourth proportional to 5,681.84, 8,516.55 and 2,753.60 is: 4,127.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,681.84 : 8,516.55 = 2,753.60 : x
  2. Step 2: Convert to fraction form
    5,681.84/8,516.55 = 2,753.60/x
  3. Step 3: Cross multiply
    5,681.84x = 8,516.55 × 2,753.60
  4. Step 4: Simplify right side
    5,681.84x = 23,451,172.08
  5. Step 5: Solve for x
    x = 23,451,172.08/5,681.84
  6. Step 6: Final answer
    x = 4,127.39

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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.