Home / 5,753.46-8,630.18-1,857.86

Finding the Fourth Proportional to 5,753.46, 8,630.18 and 1,857.86

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Solution

The fourth proportional to 5,753.46, 8,630.18 and 1,857.86 is: 2,786.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,753.46 : 8,630.18 = 1,857.86 : x
  2. Step 2: Convert to fraction form
    5,753.46/8,630.18 = 1,857.86/x
  3. Step 3: Cross multiply
    5,753.46x = 8,630.18 × 1,857.86
  4. Step 4: Simplify right side
    5,753.46x = 16,033,666.21
  5. Step 5: Solve for x
    x = 16,033,666.21/5,753.46
  6. Step 6: Final answer
    x = 2,786.79

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Double scale
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Similar ratio
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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.