Home / 7,290.45-10,059.03-4,103.13

Finding the Fourth Proportional to 7,290.45, 10,059.03 and 4,103.13

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Solution

The fourth proportional to 7,290.45, 10,059.03 and 4,103.13 is: 5,661.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,290.45 : 10,059.03 = 4,103.13 : x
  2. Step 2: Convert to fraction form
    7,290.45/10,059.03 = 4,103.13/x
  3. Step 3: Cross multiply
    7,290.45x = 10,059.03 × 4,103.13
  4. Step 4: Simplify right side
    7,290.45x = 41,273,507.76
  5. Step 5: Solve for x
    x = 41,273,507.76/7,290.45
  6. Step 6: Final answer
    x = 5,661.31

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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.