Home / 8,166.52-11,258.49-5,509.72

Finding the Fourth Proportional to 8,166.52, 11,258.49 and 5,509.72

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Solution

The fourth proportional to 8,166.52, 11,258.49 and 5,509.72 is: 7,595.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,166.52 : 11,258.49 = 5,509.72 : x
  2. Step 2: Convert to fraction form
    8,166.52/11,258.49 = 5,509.72/x
  3. Step 3: Cross multiply
    8,166.52x = 11,258.49 × 5,509.72
  4. Step 4: Simplify right side
    8,166.52x = 62,031,127.52
  5. Step 5: Solve for x
    x = 62,031,127.52/8,166.52
  6. Step 6: Final answer
    x = 7,595.78

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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.