Home / 7,721.82-10,655.66-4,737.03

Finding the Fourth Proportional to 7,721.82, 10,655.66 and 4,737.03

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Solution

The fourth proportional to 7,721.82, 10,655.66 and 4,737.03 is: 6,536.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,721.82 : 10,655.66 = 4,737.03 : x
  2. Step 2: Convert to fraction form
    7,721.82/10,655.66 = 4,737.03/x
  3. Step 3: Cross multiply
    7,721.82x = 10,655.66 × 4,737.03
  4. Step 4: Simplify right side
    7,721.82x = 50,476,157.40
  5. Step 5: Solve for x
    x = 50,476,157.40/7,721.82
  6. Step 6: Final answer
    x = 6,536.82

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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.