Home / 7,818.27-10,786.53-4,458.67

Finding the Fourth Proportional to 7,818.27, 10,786.53 and 4,458.67

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Solution

The fourth proportional to 7,818.27, 10,786.53 and 4,458.67 is: 6,151.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,818.27 : 10,786.53 = 4,458.67 : x
  2. Step 2: Convert to fraction form
    7,818.27/10,786.53 = 4,458.67/x
  3. Step 3: Cross multiply
    7,818.27x = 10,786.53 × 4,458.67
  4. Step 4: Simplify right side
    7,818.27x = 48,093,567.47
  5. Step 5: Solve for x
    x = 48,093,567.47/7,818.27
  6. Step 6: Final answer
    x = 6,151.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.