Home / 7,137.77-10,706.45-3,192.66

Finding the Fourth Proportional to 7,137.77, 10,706.45 and 3,192.66

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Solution

The fourth proportional to 7,137.77, 10,706.45 and 3,192.66 is: 4,788.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,137.77 : 10,706.45 = 3,192.66 : x
  2. Step 2: Convert to fraction form
    7,137.77/10,706.45 = 3,192.66/x
  3. Step 3: Cross multiply
    7,137.77x = 10,706.45 × 3,192.66
  4. Step 4: Simplify right side
    7,137.77x = 34,182,038.69
  5. Step 5: Solve for x
    x = 34,182,038.69/7,137.77
  6. Step 6: Final answer
    x = 4,788.90

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1.5x scale

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.