Home / 6,626.45-9,144.48-3,642.47

Finding the Fourth Proportional to 6,626.45, 9,144.48 and 3,642.47

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Solution

The fourth proportional to 6,626.45, 9,144.48 and 3,642.47 is: 5,026.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,626.45 : 9,144.48 = 3,642.47 : x
  2. Step 2: Convert to fraction form
    6,626.45/9,144.48 = 3,642.47/x
  3. Step 3: Cross multiply
    6,626.45x = 9,144.48 × 3,642.47
  4. Step 4: Simplify right side
    6,626.45x = 33,308,494.07
  5. Step 5: Solve for x
    x = 33,308,494.07/6,626.45
  6. Step 6: Final answer
    x = 5,026.60

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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.