Home / 7,243.43-10,866.77-3,911.61

Finding the Fourth Proportional to 7,243.43, 10,866.77 and 3,911.61

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Solution

The fourth proportional to 7,243.43, 10,866.77 and 3,911.61 is: 5,868.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,243.43 : 10,866.77 = 3,911.61 : x
  2. Step 2: Convert to fraction form
    7,243.43/10,866.77 = 3,911.61/x
  3. Step 3: Cross multiply
    7,243.43x = 10,866.77 × 3,911.61
  4. Step 4: Simplify right side
    7,243.43x = 42,506,532.37
  5. Step 5: Solve for x
    x = 42,506,532.37/7,243.43
  6. Step 6: Final answer
    x = 5,868.29

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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.