Home / 5,426.05-8,140.33-1,728.27

Finding the Fourth Proportional to 5,426.05, 8,140.33 and 1,728.27

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Solution

The fourth proportional to 5,426.05, 8,140.33 and 1,728.27 is: 2,592.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426.05 : 8,140.33 = 1,728.27 : x
  2. Step 2: Convert to fraction form
    5,426.05/8,140.33 = 1,728.27/x
  3. Step 3: Cross multiply
    5,426.05x = 8,140.33 × 1,728.27
  4. Step 4: Simplify right side
    5,426.05x = 14,068,688.13
  5. Step 5: Solve for x
    x = 14,068,688.13/5,426.05
  6. Step 6: Final answer
    x = 2,592.80

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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.