Home / 6,423.40-9,638.75-2,530.54

Finding the Fourth Proportional to 6,423.40, 9,638.75 and 2,530.54

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Solution

The fourth proportional to 6,423.40, 9,638.75 and 2,530.54 is: 3,797.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,423.40 : 9,638.75 = 2,530.54 : x
  2. Step 2: Convert to fraction form
    6,423.40/9,638.75 = 2,530.54/x
  3. Step 3: Cross multiply
    6,423.40x = 9,638.75 × 2,530.54
  4. Step 4: Simplify right side
    6,423.40x = 24,391,246.57
  5. Step 5: Solve for x
    x = 24,391,246.57/6,423.40
  6. Step 6: Final answer
    x = 3,797.25

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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.