Home / 5,426.60-8,123.70-5,106.20

Finding the Fourth Proportional to 5,426.60, 8,123.70 and 5,106.20

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Solution

The fourth proportional to 5,426.60, 8,123.70 and 5,106.20 is: 7,644.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426.60 : 8,123.70 = 5,106.20 : x
  2. Step 2: Convert to fraction form
    5,426.60/8,123.70 = 5,106.20/x
  3. Step 3: Cross multiply
    5,426.60x = 8,123.70 × 5,106.20
  4. Step 4: Simplify right side
    5,426.60x = 41,481,236.94
  5. Step 5: Solve for x
    x = 41,481,236.94/5,426.60
  6. Step 6: Final answer
    x = 7,644.06

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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.