Home / 5,715.77-8,568.18-1,817.64

Finding the Fourth Proportional to 5,715.77, 8,568.18 and 1,817.64

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Solution

The fourth proportional to 5,715.77, 8,568.18 and 1,817.64 is: 2,724.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,715.77 : 8,568.18 = 1,817.64 : x
  2. Step 2: Convert to fraction form
    5,715.77/8,568.18 = 1,817.64/x
  3. Step 3: Cross multiply
    5,715.77x = 8,568.18 × 1,817.64
  4. Step 4: Simplify right side
    5,715.77x = 15,573,866.70
  5. Step 5: Solve for x
    x = 15,573,866.70/5,715.77
  6. Step 6: Final answer
    x = 2,724.72

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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.