Home / 7,085.55-10,628.50-3,388.17

Finding the Fourth Proportional to 7,085.55, 10,628.50 and 3,388.17

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Solution

The fourth proportional to 7,085.55, 10,628.50 and 3,388.17 is: 5,082.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,085.55 : 10,628.50 = 3,388.17 : x
  2. Step 2: Convert to fraction form
    7,085.55/10,628.50 = 3,388.17/x
  3. Step 3: Cross multiply
    7,085.55x = 10,628.50 × 3,388.17
  4. Step 4: Simplify right side
    7,085.55x = 36,011,164.85
  5. Step 5: Solve for x
    x = 36,011,164.85/7,085.55
  6. Step 6: Final answer
    x = 5,082.34

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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.