Home / 7,761.24-10,716.84-5,113.80

Finding the Fourth Proportional to 7,761.24, 10,716.84 and 5,113.80

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Solution

The fourth proportional to 7,761.24, 10,716.84 and 5,113.80 is: 7,061.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,761.24 : 10,716.84 = 5,113.80 : x
  2. Step 2: Convert to fraction form
    7,761.24/10,716.84 = 5,113.80/x
  3. Step 3: Cross multiply
    7,761.24x = 10,716.84 × 5,113.80
  4. Step 4: Simplify right side
    7,761.24x = 54,803,776.39
  5. Step 5: Solve for x
    x = 54,803,776.39/7,761.24
  6. Step 6: Final answer
    x = 7,061.21

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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.