Home / 7,281.50-10,922.24-3,118.82

Finding the Fourth Proportional to 7,281.50, 10,922.24 and 3,118.82

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Solution

The fourth proportional to 7,281.50, 10,922.24 and 3,118.82 is: 4,678.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,281.50 : 10,922.24 = 3,118.82 : x
  2. Step 2: Convert to fraction form
    7,281.50/10,922.24 = 3,118.82/x
  3. Step 3: Cross multiply
    7,281.50x = 10,922.24 × 3,118.82
  4. Step 4: Simplify right side
    7,281.50x = 34,064,453.74
  5. Step 5: Solve for x
    x = 34,064,453.74/7,281.50
  6. Step 6: Final answer
    x = 4,678.22

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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.