Home / 8,949.35-12,349.77-4,970.53

Finding the Fourth Proportional to 8,949.35, 12,349.77 and 4,970.53

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Solution

The fourth proportional to 8,949.35, 12,349.77 and 4,970.53 is: 6,859.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,949.35 : 12,349.77 = 4,970.53 : x
  2. Step 2: Convert to fraction form
    8,949.35/12,349.77 = 4,970.53/x
  3. Step 3: Cross multiply
    8,949.35x = 12,349.77 × 4,970.53
  4. Step 4: Simplify right side
    8,949.35x = 61,384,899.08
  5. Step 5: Solve for x
    x = 61,384,899.08/8,949.35
  6. Step 6: Final answer
    x = 6,859.14

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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.