Home / 5,665.28-8,498.84-1,768.88

Finding the Fourth Proportional to 5,665.28, 8,498.84 and 1,768.88

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Solution

The fourth proportional to 5,665.28, 8,498.84 and 1,768.88 is: 2,653.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,665.28 : 8,498.84 = 1,768.88 : x
  2. Step 2: Convert to fraction form
    5,665.28/8,498.84 = 1,768.88/x
  3. Step 3: Cross multiply
    5,665.28x = 8,498.84 × 1,768.88
  4. Step 4: Simplify right side
    5,665.28x = 15,033,428.10
  5. Step 5: Solve for x
    x = 15,033,428.10/5,665.28
  6. Step 6: Final answer
    x = 2,653.61

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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.