Home / 8,949.04-12,349.68-4,970

Finding the Fourth Proportional to 8,949.04, 12,349.68 and 4,970

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Solution

The fourth proportional to 8,949.04, 12,349.68 and 4,970 is: 6,858.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,949.04 : 12,349.68 = 4,970 : x
  2. Step 2: Convert to fraction form
    8,949.04/12,349.68 = 4,970/x
  3. Step 3: Cross multiply
    8,949.04x = 12,349.68 × 4,970
  4. Step 4: Simplify right side
    8,949.04x = 61,377,909.60
  5. Step 5: Solve for x
    x = 61,377,909.60/8,949.04
  6. Step 6: Final answer
    x = 6,858.60

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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.