Home / 8,949.27-12,349.78-4,970.35

Finding the Fourth Proportional to 8,949.27, 12,349.78 and 4,970.35

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Solution

The fourth proportional to 8,949.27, 12,349.78 and 4,970.35 is: 6,858.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,949.27 : 12,349.78 = 4,970.35 : x
  2. Step 2: Convert to fraction form
    8,949.27/12,349.78 = 4,970.35/x
  3. Step 3: Cross multiply
    8,949.27x = 12,349.78 × 4,970.35
  4. Step 4: Simplify right side
    8,949.27x = 61,382,685.72
  5. Step 5: Solve for x
    x = 61,382,685.72/8,949.27
  6. Step 6: Final answer
    x = 6,858.96

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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.