Home / 6,626.10-9,144.60-3,642.51

Finding the Fourth Proportional to 6,626.10, 9,144.60 and 3,642.51

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Solution

The fourth proportional to 6,626.10, 9,144.60 and 3,642.51 is: 5,026.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,626.10 : 9,144.60 = 3,642.51 : x
  2. Step 2: Convert to fraction form
    6,626.10/9,144.60 = 3,642.51/x
  3. Step 3: Cross multiply
    6,626.10x = 9,144.60 × 3,642.51
  4. Step 4: Simplify right side
    6,626.10x = 33,309,296.95
  5. Step 5: Solve for x
    x = 33,309,296.95/6,626.10
  6. Step 6: Final answer
    x = 5,026.98

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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.