Home / 7,165.35-10,748.70-2,783.15

Finding the Fourth Proportional to 7,165.35, 10,748.70 and 2,783.15

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Solution

The fourth proportional to 7,165.35, 10,748.70 and 2,783.15 is: 4,174.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,165.35 : 10,748.70 = 2,783.15 : x
  2. Step 2: Convert to fraction form
    7,165.35/10,748.70 = 2,783.15/x
  3. Step 3: Cross multiply
    7,165.35x = 10,748.70 × 2,783.15
  4. Step 4: Simplify right side
    7,165.35x = 29,915,244.41
  5. Step 5: Solve for x
    x = 29,915,244.41/7,165.35
  6. Step 6: Final answer
    x = 4,174.99

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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.