Home / 7,666.36-11,498.41-2,118.52

Finding the Fourth Proportional to 7,666.36, 11,498.41 and 2,118.52

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Solution

The fourth proportional to 7,666.36, 11,498.41 and 2,118.52 is: 3,177.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,666.36 : 11,498.41 = 2,118.52 : x
  2. Step 2: Convert to fraction form
    7,666.36/11,498.41 = 2,118.52/x
  3. Step 3: Cross multiply
    7,666.36x = 11,498.41 × 2,118.52
  4. Step 4: Simplify right side
    7,666.36x = 24,359,616.66
  5. Step 5: Solve for x
    x = 24,359,616.66/7,666.36
  6. Step 6: Final answer
    x = 3,177.47

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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.