Home / 7,949.63-10,971.50-4,805.81

Finding the Fourth Proportional to 7,949.63, 10,971.50 and 4,805.81

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Solution

The fourth proportional to 7,949.63, 10,971.50 and 4,805.81 is: 6,632.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,949.63 : 10,971.50 = 4,805.81 : x
  2. Step 2: Convert to fraction form
    7,949.63/10,971.50 = 4,805.81/x
  3. Step 3: Cross multiply
    7,949.63x = 10,971.50 × 4,805.81
  4. Step 4: Simplify right side
    7,949.63x = 52,726,947.81
  5. Step 5: Solve for x
    x = 52,726,947.81/7,949.63
  6. Step 6: Final answer
    x = 6,632.63

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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.