Home / 5,425.87-8,130.38-3,763.23

Finding the Fourth Proportional to 5,425.87, 8,130.38 and 3,763.23

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Solution

The fourth proportional to 5,425.87, 8,130.38 and 3,763.23 is: 5,639.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,425.87 : 8,130.38 = 3,763.23 : x
  2. Step 2: Convert to fraction form
    5,425.87/8,130.38 = 3,763.23/x
  3. Step 3: Cross multiply
    5,425.87x = 8,130.38 × 3,763.23
  4. Step 4: Simplify right side
    5,425.87x = 30,596,489.93
  5. Step 5: Solve for x
    x = 30,596,489.93/5,425.87
  6. Step 6: Final answer
    x = 5,639.01

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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.