Home / 7,148.14-9,864.39-4,004.34

Finding the Fourth Proportional to 7,148.14, 9,864.39 and 4,004.34

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Solution

The fourth proportional to 7,148.14, 9,864.39 and 4,004.34 is: 5,525.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,148.14 : 9,864.39 = 4,004.34 : x
  2. Step 2: Convert to fraction form
    7,148.14/9,864.39 = 4,004.34/x
  3. Step 3: Cross multiply
    7,148.14x = 9,864.39 × 4,004.34
  4. Step 4: Simplify right side
    7,148.14x = 39,500,371.45
  5. Step 5: Solve for x
    x = 39,500,371.45/7,148.14
  6. Step 6: Final answer
    x = 5,525.96

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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.