Home / 6,631.54-9,151.43-3,647.35

Finding the Fourth Proportional to 6,631.54, 9,151.43 and 3,647.35

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Solution

The fourth proportional to 6,631.54, 9,151.43 and 3,647.35 is: 5,033.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,631.54 : 9,151.43 = 3,647.35 : x
  2. Step 2: Convert to fraction form
    6,631.54/9,151.43 = 3,647.35/x
  3. Step 3: Cross multiply
    6,631.54x = 9,151.43 × 3,647.35
  4. Step 4: Simplify right side
    6,631.54x = 33,378,427.10
  5. Step 5: Solve for x
    x = 33,378,427.10/6,631.54
  6. Step 6: Final answer
    x = 5,033.29

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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.