Home / 5,426.14-8,130.79-3,763.51

Finding the Fourth Proportional to 5,426.14, 8,130.79 and 3,763.51

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Solution

The fourth proportional to 5,426.14, 8,130.79 and 3,763.51 is: 5,639.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426.14 : 8,130.79 = 3,763.51 : x
  2. Step 2: Convert to fraction form
    5,426.14/8,130.79 = 3,763.51/x
  3. Step 3: Cross multiply
    5,426.14x = 8,130.79 × 3,763.51
  4. Step 4: Simplify right side
    5,426.14x = 30,600,309.47
  5. Step 5: Solve for x
    x = 30,600,309.47/5,426.14
  6. Step 6: Final answer
    x = 5,639.42

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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.