Home / 5,426.70-8,141.28-1,729.14

Finding the Fourth Proportional to 5,426.70, 8,141.28 and 1,729.14

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Solution

The fourth proportional to 5,426.70, 8,141.28 and 1,729.14 is: 2,594.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426.70 : 8,141.28 = 1,729.14 : x
  2. Step 2: Convert to fraction form
    5,426.70/8,141.28 = 1,729.14/x
  3. Step 3: Cross multiply
    5,426.70x = 8,141.28 × 1,729.14
  4. Step 4: Simplify right side
    5,426.70x = 14,077,412.90
  5. Step 5: Solve for x
    x = 14,077,412.90/5,426.70
  6. Step 6: Final answer
    x = 2,594.10

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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.