Home / 7,098.23-9,795.36-3,911.54

Finding the Fourth Proportional to 7,098.23, 9,795.36 and 3,911.54

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Solution

The fourth proportional to 7,098.23, 9,795.36 and 3,911.54 is: 5,397.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,098.23 : 9,795.36 = 3,911.54 : x
  2. Step 2: Convert to fraction form
    7,098.23/9,795.36 = 3,911.54/x
  3. Step 3: Cross multiply
    7,098.23x = 9,795.36 × 3,911.54
  4. Step 4: Simplify right side
    7,098.23x = 38,314,942.45
  5. Step 5: Solve for x
    x = 38,314,942.45/7,098.23
  6. Step 6: Final answer
    x = 5,397.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.