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Finding the Fourth Proportional to 7,000.03, 10,500.18 and 1,805.77

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Solution

The fourth proportional to 7,000.03, 10,500.18 and 1,805.77 is: 2,708.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,000.03 : 10,500.18 = 1,805.77 : x
  2. Step 2: Convert to fraction form
    7,000.03/10,500.18 = 1,805.77/x
  3. Step 3: Cross multiply
    7,000.03x = 10,500.18 × 1,805.77
  4. Step 4: Simplify right side
    7,000.03x = 18,960,910.04
  5. Step 5: Solve for x
    x = 18,960,910.04/7,000.03
  6. Step 6: Final answer
    x = 2,708.69

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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.