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Finding the Fourth Proportional to 7,000.88, 10,503.12 and 2,070.72

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Solution

The fourth proportional to 7,000.88, 10,503.12 and 2,070.72 is: 3,106.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,000.88 : 10,503.12 = 2,070.72 : x
  2. Step 2: Convert to fraction form
    7,000.88/10,503.12 = 2,070.72/x
  3. Step 3: Cross multiply
    7,000.88x = 10,503.12 × 2,070.72
  4. Step 4: Simplify right side
    7,000.88x = 21,749,020.65
  5. Step 5: Solve for x
    x = 21,749,020.65/7,000.88
  6. Step 6: Final answer
    x = 3,106.61

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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.