Home / 7,213.12-10,819.60-3,925.46

Finding the Fourth Proportional to 7,213.12, 10,819.60 and 3,925.46

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Solution

The fourth proportional to 7,213.12, 10,819.60 and 3,925.46 is: 5,888.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,213.12 : 10,819.60 = 3,925.46 : x
  2. Step 2: Convert to fraction form
    7,213.12/10,819.60 = 3,925.46/x
  3. Step 3: Cross multiply
    7,213.12x = 10,819.60 × 3,925.46
  4. Step 4: Simplify right side
    7,213.12x = 42,471,907.02
  5. Step 5: Solve for x
    x = 42,471,907.02/7,213.12
  6. Step 6: Final answer
    x = 5,888.15

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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.