Home / 7,136.41-10,692.31-4,730.66

Finding the Fourth Proportional to 7,136.41, 10,692.31 and 4,730.66

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Solution

The fourth proportional to 7,136.41, 10,692.31 and 4,730.66 is: 7,087.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136.41 : 10,692.31 = 4,730.66 : x
  2. Step 2: Convert to fraction form
    7,136.41/10,692.31 = 4,730.66/x
  3. Step 3: Cross multiply
    7,136.41x = 10,692.31 × 4,730.66
  4. Step 4: Simplify right side
    7,136.41x = 50,581,606.11
  5. Step 5: Solve for x
    x = 50,581,606.11/7,136.41
  6. Step 6: Final answer
    x = 7,087.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.