Home / 8,849.92-12,212.85-4,870.93

Finding the Fourth Proportional to 8,849.92, 12,212.85 and 4,870.93

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Solution

The fourth proportional to 8,849.92, 12,212.85 and 4,870.93 is: 6,721.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,849.92 : 12,212.85 = 4,870.93 : x
  2. Step 2: Convert to fraction form
    8,849.92/12,212.85 = 4,870.93/x
  3. Step 3: Cross multiply
    8,849.92x = 12,212.85 × 4,870.93
  4. Step 4: Simplify right side
    8,849.92x = 59,487,937.45
  5. Step 5: Solve for x
    x = 59,487,937.45/8,849.92
  6. Step 6: Final answer
    x = 6,721.86

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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.