Home / 7,035.84-10,555.11-2,105.37

Finding the Fourth Proportional to 7,035.84, 10,555.11 and 2,105.37

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Solution

The fourth proportional to 7,035.84, 10,555.11 and 2,105.37 is: 3,158.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,035.84 : 10,555.11 = 2,105.37 : x
  2. Step 2: Convert to fraction form
    7,035.84/10,555.11 = 2,105.37/x
  3. Step 3: Cross multiply
    7,035.84x = 10,555.11 × 2,105.37
  4. Step 4: Simplify right side
    7,035.84x = 22,222,411.94
  5. Step 5: Solve for x
    x = 22,222,411.94/7,035.84
  6. Step 6: Final answer
    x = 3,158.46

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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.