Home / 7,289.30-10,060.12-4,103.79

Finding the Fourth Proportional to 7,289.30, 10,060.12 and 4,103.79

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Solution

The fourth proportional to 7,289.30, 10,060.12 and 4,103.79 is: 5,663.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,289.30 : 10,060.12 = 4,103.79 : x
  2. Step 2: Convert to fraction form
    7,289.30/10,060.12 = 4,103.79/x
  3. Step 3: Cross multiply
    7,289.30x = 10,060.12 × 4,103.79
  4. Step 4: Simplify right side
    7,289.30x = 41,284,564.18
  5. Step 5: Solve for x
    x = 41,284,564.18/7,289.30
  6. Step 6: Final answer
    x = 5,663.72

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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.