Home / 7,721.06-10,649.23-4,850.62

Finding the Fourth Proportional to 7,721.06, 10,649.23 and 4,850.62

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Solution

The fourth proportional to 7,721.06, 10,649.23 and 4,850.62 is: 6,690.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,721.06 : 10,649.23 = 4,850.62 : x
  2. Step 2: Convert to fraction form
    7,721.06/10,649.23 = 4,850.62/x
  3. Step 3: Cross multiply
    7,721.06x = 10,649.23 × 4,850.62
  4. Step 4: Simplify right side
    7,721.06x = 51,655,329.27
  5. Step 5: Solve for x
    x = 51,655,329.27/7,721.06
  6. Step 6: Final answer
    x = 6,690.19

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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.