Home / 6,347.70-9,519.45-2,187.60

Finding the Fourth Proportional to 6,347.70, 9,519.45 and 2,187.60

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Solution

The fourth proportional to 6,347.70, 9,519.45 and 2,187.60 is: 3,280.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,347.70 : 9,519.45 = 2,187.60 : x
  2. Step 2: Convert to fraction form
    6,347.70/9,519.45 = 2,187.60/x
  3. Step 3: Cross multiply
    6,347.70x = 9,519.45 × 2,187.60
  4. Step 4: Simplify right side
    6,347.70x = 20,824,748.82
  5. Step 5: Solve for x
    x = 20,824,748.82/6,347.70
  6. Step 6: Final answer
    x = 3,280.68

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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.