Home / 6,642.32-9,166.50-3,658.12

Finding the Fourth Proportional to 6,642.32, 9,166.50 and 3,658.12

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Solution

The fourth proportional to 6,642.32, 9,166.50 and 3,658.12 is: 5,048.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,642.32 : 9,166.50 = 3,658.12 : x
  2. Step 2: Convert to fraction form
    6,642.32/9,166.50 = 3,658.12/x
  3. Step 3: Cross multiply
    6,642.32x = 9,166.50 × 3,658.12
  4. Step 4: Simplify right side
    6,642.32x = 33,532,134.06
  5. Step 5: Solve for x
    x = 33,532,134.06/6,642.32
  6. Step 6: Final answer
    x = 5,048.26

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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.