Home / 8,849.70-12,212.58-4,870.95

Finding the Fourth Proportional to 8,849.70, 12,212.58 and 4,870.95

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Solution

The fourth proportional to 8,849.70, 12,212.58 and 4,870.95 is: 6,721.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,849.70 : 12,212.58 = 4,870.95 : x
  2. Step 2: Convert to fraction form
    8,849.70/12,212.58 = 4,870.95/x
  3. Step 3: Cross multiply
    8,849.70x = 12,212.58 × 4,870.95
  4. Step 4: Simplify right side
    8,849.70x = 59,486,866.55
  5. Step 5: Solve for x
    x = 59,486,866.55/8,849.70
  6. Step 6: Final answer
    x = 6,721.91

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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.