Home / 5,423.30-8,129.72-4,438.24

Finding the Fourth Proportional to 5,423.30, 8,129.72 and 4,438.24

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Solution

The fourth proportional to 5,423.30, 8,129.72 and 4,438.24 is: 6,653.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,423.30 : 8,129.72 = 4,438.24 : x
  2. Step 2: Convert to fraction form
    5,423.30/8,129.72 = 4,438.24/x
  3. Step 3: Cross multiply
    5,423.30x = 8,129.72 × 4,438.24
  4. Step 4: Simplify right side
    5,423.30x = 36,081,660.03
  5. Step 5: Solve for x
    x = 36,081,660.03/5,423.30
  6. Step 6: Final answer
    x = 6,653.08

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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.