Home / 6,647.40-9,173.52-3,663.19

Finding the Fourth Proportional to 6,647.40, 9,173.52 and 3,663.19

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Solution

The fourth proportional to 6,647.40, 9,173.52 and 3,663.19 is: 5,055.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,647.40 : 9,173.52 = 3,663.19 : x
  2. Step 2: Convert to fraction form
    6,647.40/9,173.52 = 3,663.19/x
  3. Step 3: Cross multiply
    6,647.40x = 9,173.52 × 3,663.19
  4. Step 4: Simplify right side
    6,647.40x = 33,604,358.20
  5. Step 5: Solve for x
    x = 33,604,358.20/6,647.40
  6. Step 6: Final answer
    x = 5,055.26

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Half scale
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Double scale
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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.