Home / 6,643.08-9,166.50-3,658.91

Finding the Fourth Proportional to 6,643.08, 9,166.50 and 3,658.91

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Solution

The fourth proportional to 6,643.08, 9,166.50 and 3,658.91 is: 5,048.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,643.08 : 9,166.50 = 3,658.91 : x
  2. Step 2: Convert to fraction form
    6,643.08/9,166.50 = 3,658.91/x
  3. Step 3: Cross multiply
    6,643.08x = 9,166.50 × 3,658.91
  4. Step 4: Simplify right side
    6,643.08x = 33,539,352.68
  5. Step 5: Solve for x
    x = 33,539,352.68/6,643.08
  6. Step 6: Final answer
    x = 5,048.77

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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.