Home / 5,576.40-8,353.80-3,106.80

Finding the Fourth Proportional to 5,576.40, 8,353.80 and 3,106.80

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Solution

The fourth proportional to 5,576.40, 8,353.80 and 3,106.80 is: 4,654.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,576.40 : 8,353.80 = 3,106.80 : x
  2. Step 2: Convert to fraction form
    5,576.40/8,353.80 = 3,106.80/x
  3. Step 3: Cross multiply
    5,576.40x = 8,353.80 × 3,106.80
  4. Step 4: Simplify right side
    5,576.40x = 25,953,585.84
  5. Step 5: Solve for x
    x = 25,953,585.84/5,576.40
  6. Step 6: Final answer
    x = 4,654.18

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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.