Home / 5,561.84-8,343.08-2,099.12

Finding the Fourth Proportional to 5,561.84, 8,343.08 and 2,099.12

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Solution

The fourth proportional to 5,561.84, 8,343.08 and 2,099.12 is: 3,148.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,561.84 : 8,343.08 = 2,099.12 : x
  2. Step 2: Convert to fraction form
    5,561.84/8,343.08 = 2,099.12/x
  3. Step 3: Cross multiply
    5,561.84x = 8,343.08 × 2,099.12
  4. Step 4: Simplify right side
    5,561.84x = 17,513,126.09
  5. Step 5: Solve for x
    x = 17,513,126.09/5,561.84
  6. Step 6: Final answer
    x = 3,148.80

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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.