Home / 5,426.24-8,140.53-2,308.91

Finding the Fourth Proportional to 5,426.24, 8,140.53 and 2,308.91

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Solution

The fourth proportional to 5,426.24, 8,140.53 and 2,308.91 is: 3,463.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426.24 : 8,140.53 = 2,308.91 : x
  2. Step 2: Convert to fraction form
    5,426.24/8,140.53 = 2,308.91/x
  3. Step 3: Cross multiply
    5,426.24x = 8,140.53 × 2,308.91
  4. Step 4: Simplify right side
    5,426.24x = 18,795,710.42
  5. Step 5: Solve for x
    x = 18,795,710.42/5,426.24
  6. Step 6: Final answer
    x = 3,463.86

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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.