Home / 5,459.91-8,189.86-1,564.31

Finding the Fourth Proportional to 5,459.91, 8,189.86 and 1,564.31

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Solution

The fourth proportional to 5,459.91, 8,189.86 and 1,564.31 is: 2,346.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,459.91 : 8,189.86 = 1,564.31 : x
  2. Step 2: Convert to fraction form
    5,459.91/8,189.86 = 1,564.31/x
  3. Step 3: Cross multiply
    5,459.91x = 8,189.86 × 1,564.31
  4. Step 4: Simplify right side
    5,459.91x = 12,811,499.39
  5. Step 5: Solve for x
    x = 12,811,499.39/5,459.91
  6. Step 6: Final answer
    x = 2,346.47

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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.