Home / 7,123.95-10,679.45-2,744.69

Finding the Fourth Proportional to 7,123.95, 10,679.45 and 2,744.69

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Solution

The fourth proportional to 7,123.95, 10,679.45 and 2,744.69 is: 4,114.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,123.95 : 10,679.45 = 2,744.69 : x
  2. Step 2: Convert to fraction form
    7,123.95/10,679.45 = 2,744.69/x
  3. Step 3: Cross multiply
    7,123.95x = 10,679.45 × 2,744.69
  4. Step 4: Simplify right side
    7,123.95x = 29,311,712.50
  5. Step 5: Solve for x
    x = 29,311,712.50/7,123.95
  6. Step 6: Final answer
    x = 4,114.53

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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.