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Finding the Fourth Proportional to 7,041.94, 9,717.37 and 4,016.69

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Solution

The fourth proportional to 7,041.94, 9,717.37 and 4,016.69 is: 5,542.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,041.94 : 9,717.37 = 4,016.69 : x
  2. Step 2: Convert to fraction form
    7,041.94/9,717.37 = 4,016.69/x
  3. Step 3: Cross multiply
    7,041.94x = 9,717.37 × 4,016.69
  4. Step 4: Simplify right side
    7,041.94x = 39,031,640.72
  5. Step 5: Solve for x
    x = 39,031,640.72/7,041.94
  6. Step 6: Final answer
    x = 5,542.74

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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.