Home / 8,948.70-12,348.18-4,969.80

Finding the Fourth Proportional to 8,948.70, 12,348.18 and 4,969.80

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Solution

The fourth proportional to 8,948.70, 12,348.18 and 4,969.80 is: 6,857.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,948.70 : 12,348.18 = 4,969.80 : x
  2. Step 2: Convert to fraction form
    8,948.70/12,348.18 = 4,969.80/x
  3. Step 3: Cross multiply
    8,948.70x = 12,348.18 × 4,969.80
  4. Step 4: Simplify right side
    8,948.70x = 61,367,984.96
  5. Step 5: Solve for x
    x = 61,367,984.96/8,948.70
  6. Step 6: Final answer
    x = 6,857.75

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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.