Home / 8,849.88-12,212.62-4,870.92

Finding the Fourth Proportional to 8,849.88, 12,212.62 and 4,870.92

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Solution

The fourth proportional to 8,849.88, 12,212.62 and 4,870.92 is: 6,721.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,849.88 : 12,212.62 = 4,870.92 : x
  2. Step 2: Convert to fraction form
    8,849.88/12,212.62 = 4,870.92/x
  3. Step 3: Cross multiply
    8,849.88x = 12,212.62 × 4,870.92
  4. Step 4: Simplify right side
    8,849.88x = 59,486,695.01
  5. Step 5: Solve for x
    x = 59,486,695.01/8,849.88
  6. Step 6: Final answer
    x = 6,721.75

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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.