Home / 7,195.70-10,800.30-3,688.32

Finding the Fourth Proportional to 7,195.70, 10,800.30 and 3,688.32

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Solution

The fourth proportional to 7,195.70, 10,800.30 and 3,688.32 is: 5,535.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,195.70 : 10,800.30 = 3,688.32 : x
  2. Step 2: Convert to fraction form
    7,195.70/10,800.30 = 3,688.32/x
  3. Step 3: Cross multiply
    7,195.70x = 10,800.30 × 3,688.32
  4. Step 4: Simplify right side
    7,195.70x = 39,834,962.50
  5. Step 5: Solve for x
    x = 39,834,962.50/7,195.70
  6. Step 6: Final answer
    x = 5,535.94

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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.