Home / 7,423.70-11,135.55-6,257.30

Finding the Fourth Proportional to 7,423.70, 11,135.55 and 6,257.30

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Solution

The fourth proportional to 7,423.70, 11,135.55 and 6,257.30 is: 9,385.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,423.70 : 11,135.55 = 6,257.30 : x
  2. Step 2: Convert to fraction form
    7,423.70/11,135.55 = 6,257.30/x
  3. Step 3: Cross multiply
    7,423.70x = 11,135.55 × 6,257.30
  4. Step 4: Simplify right side
    7,423.70x = 69,678,477.02
  5. Step 5: Solve for x
    x = 69,678,477.02/7,423.70
  6. Step 6: Final answer
    x = 9,385.95

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Similar ratio
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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.