Home / 5,639.48-8,459.22-1,743.80

Finding the Fourth Proportional to 5,639.48, 8,459.22 and 1,743.80

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Solution

The fourth proportional to 5,639.48, 8,459.22 and 1,743.80 is: 2,615.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,639.48 : 8,459.22 = 1,743.80 : x
  2. Step 2: Convert to fraction form
    5,639.48/8,459.22 = 1,743.80/x
  3. Step 3: Cross multiply
    5,639.48x = 8,459.22 × 1,743.80
  4. Step 4: Simplify right side
    5,639.48x = 14,751,187.84
  5. Step 5: Solve for x
    x = 14,751,187.84/5,639.48
  6. Step 6: Final answer
    x = 2,615.70

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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.