Home / 7,186.14-10,821.42-6,272.55

Finding the Fourth Proportional to 7,186.14, 10,821.42 and 6,272.55

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Solution

The fourth proportional to 7,186.14, 10,821.42 and 6,272.55 is: 9,445.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,186.14 : 10,821.42 = 6,272.55 : x
  2. Step 2: Convert to fraction form
    7,186.14/10,821.42 = 6,272.55/x
  3. Step 3: Cross multiply
    7,186.14x = 10,821.42 × 6,272.55
  4. Step 4: Simplify right side
    7,186.14x = 67,877,898.02
  5. Step 5: Solve for x
    x = 67,877,898.02/7,186.14
  6. Step 6: Final answer
    x = 9,445.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.