Home / 8,949.06-12,350.09-4,970.54

Finding the Fourth Proportional to 8,949.06, 12,350.09 and 4,970.54

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Solution

The fourth proportional to 8,949.06, 12,350.09 and 4,970.54 is: 6,859.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,949.06 : 12,350.09 = 4,970.54 : x
  2. Step 2: Convert to fraction form
    8,949.06/12,350.09 = 4,970.54/x
  3. Step 3: Cross multiply
    8,949.06x = 12,350.09 × 4,970.54
  4. Step 4: Simplify right side
    8,949.06x = 61,386,659.65
  5. Step 5: Solve for x
    x = 61,386,659.65/8,949.06
  6. Step 6: Final answer
    x = 6,859.57

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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.