Home / 4,647.36-6,409.58-4,086.66

Finding the Fourth Proportional to 4,647.36, 6,409.58 and 4,086.66

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Solution

The fourth proportional to 4,647.36, 6,409.58 and 4,086.66 is: 5,636.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,647.36 : 6,409.58 = 4,086.66 : x
  2. Step 2: Convert to fraction form
    4,647.36/6,409.58 = 4,086.66/x
  3. Step 3: Cross multiply
    4,647.36x = 6,409.58 × 4,086.66
  4. Step 4: Simplify right side
    4,647.36x = 26,193,774.20
  5. Step 5: Solve for x
    x = 26,193,774.20/4,647.36
  6. Step 6: Final answer
    x = 5,636.27

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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.