Home / 7,842.32-10,819.64-4,855.04

Finding the Fourth Proportional to 7,842.32, 10,819.64 and 4,855.04

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Solution

The fourth proportional to 7,842.32, 10,819.64 and 4,855.04 is: 6,698.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,842.32 : 10,819.64 = 4,855.04 : x
  2. Step 2: Convert to fraction form
    7,842.32/10,819.64 = 4,855.04/x
  3. Step 3: Cross multiply
    7,842.32x = 10,819.64 × 4,855.04
  4. Step 4: Simplify right side
    7,842.32x = 52,529,784.99
  5. Step 5: Solve for x
    x = 52,529,784.99/7,842.32
  6. Step 6: Final answer
    x = 6,698.25

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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.