Home / 5,460.68-8,190.84-1,762.88

Finding the Fourth Proportional to 5,460.68, 8,190.84 and 1,762.88

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Solution

The fourth proportional to 5,460.68, 8,190.84 and 1,762.88 is: 2,644.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,460.68 : 8,190.84 = 1,762.88 : x
  2. Step 2: Convert to fraction form
    5,460.68/8,190.84 = 1,762.88/x
  3. Step 3: Cross multiply
    5,460.68x = 8,190.84 × 1,762.88
  4. Step 4: Simplify right side
    5,460.68x = 14,439,468.02
  5. Step 5: Solve for x
    x = 14,439,468.02/5,460.68
  6. Step 6: Final answer
    x = 2,644.26

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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.