Home / 8,849.96-12,212.92-4,871.12

Finding the Fourth Proportional to 8,849.96, 12,212.92 and 4,871.12

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Solution

The fourth proportional to 8,849.96, 12,212.92 and 4,871.12 is: 6,722.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,849.96 : 12,212.92 = 4,871.12 : x
  2. Step 2: Convert to fraction form
    8,849.96/12,212.92 = 4,871.12/x
  3. Step 3: Cross multiply
    8,849.96x = 12,212.92 × 4,871.12
  4. Step 4: Simplify right side
    8,849.96x = 59,490,598.87
  5. Step 5: Solve for x
    x = 59,490,598.87/8,849.96
  6. Step 6: Final answer
    x = 6,722.13

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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.