Home / 7,778.34-10,733.83-4,421.09

Finding the Fourth Proportional to 7,778.34, 10,733.83 and 4,421.09

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Solution

The fourth proportional to 7,778.34, 10,733.83 and 4,421.09 is: 6,100.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,778.34 : 10,733.83 = 4,421.09 : x
  2. Step 2: Convert to fraction form
    7,778.34/10,733.83 = 4,421.09/x
  3. Step 3: Cross multiply
    7,778.34x = 10,733.83 × 4,421.09
  4. Step 4: Simplify right side
    7,778.34x = 47,455,228.47
  5. Step 5: Solve for x
    x = 47,455,228.47/7,778.34
  6. Step 6: Final answer
    x = 6,100.95

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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.