Home / 5,204.40-7,806.60-4,459.20

Finding the Fourth Proportional to 5,204.40, 7,806.60 and 4,459.20

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Solution

The fourth proportional to 5,204.40, 7,806.60 and 4,459.20 is: 6,688.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,204.40 : 7,806.60 = 4,459.20 : x
  2. Step 2: Convert to fraction form
    5,204.40/7,806.60 = 4,459.20/x
  3. Step 3: Cross multiply
    5,204.40x = 7,806.60 × 4,459.20
  4. Step 4: Simplify right side
    5,204.40x = 34,811,190.72
  5. Step 5: Solve for x
    x = 34,811,190.72/5,204.40
  6. Step 6: Final answer
    x = 6,688.80

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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.