Home / 7,906.20-10,909.80-4,368.84

Finding the Fourth Proportional to 7,906.20, 10,909.80 and 4,368.84

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Solution

The fourth proportional to 7,906.20, 10,909.80 and 4,368.84 is: 6,028.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,906.20 : 10,909.80 = 4,368.84 : x
  2. Step 2: Convert to fraction form
    7,906.20/10,909.80 = 4,368.84/x
  3. Step 3: Cross multiply
    7,906.20x = 10,909.80 × 4,368.84
  4. Step 4: Simplify right side
    7,906.20x = 47,663,170.63
  5. Step 5: Solve for x
    x = 47,663,170.63/7,906.20
  6. Step 6: Final answer
    x = 6,028.58

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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.