Home / 7,405.35-10,212.31-4,849.30

Finding the Fourth Proportional to 7,405.35, 10,212.31 and 4,849.30

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Solution

The fourth proportional to 7,405.35, 10,212.31 and 4,849.30 is: 6,687.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,405.35 : 10,212.31 = 4,849.30 : x
  2. Step 2: Convert to fraction form
    7,405.35/10,212.31 = 4,849.30/x
  3. Step 3: Cross multiply
    7,405.35x = 10,212.31 × 4,849.30
  4. Step 4: Simplify right side
    7,405.35x = 49,522,554.88
  5. Step 5: Solve for x
    x = 49,522,554.88/7,405.35
  6. Step 6: Final answer
    x = 6,687.40

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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.