Home / 5,568.81-8,353.98-1,872.09

Finding the Fourth Proportional to 5,568.81, 8,353.98 and 1,872.09

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Solution

The fourth proportional to 5,568.81, 8,353.98 and 1,872.09 is: 2,808.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,568.81 : 8,353.98 = 1,872.09 : x
  2. Step 2: Convert to fraction form
    5,568.81/8,353.98 = 1,872.09/x
  3. Step 3: Cross multiply
    5,568.81x = 8,353.98 × 1,872.09
  4. Step 4: Simplify right side
    5,568.81x = 15,639,402.42
  5. Step 5: Solve for x
    x = 15,639,402.42/5,568.81
  6. Step 6: Final answer
    x = 2,808.39

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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.