Home / 4,645.36-6,409.56-2,782.96

Finding the Fourth Proportional to 4,645.36, 6,409.56 and 2,782.96

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Solution

The fourth proportional to 4,645.36, 6,409.56 and 2,782.96 is: 3,839.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,645.36 : 6,409.56 = 2,782.96 : x
  2. Step 2: Convert to fraction form
    4,645.36/6,409.56 = 2,782.96/x
  3. Step 3: Cross multiply
    4,645.36x = 6,409.56 × 2,782.96
  4. Step 4: Simplify right side
    4,645.36x = 17,837,549.10
  5. Step 5: Solve for x
    x = 17,837,549.10/4,645.36
  6. Step 6: Final answer
    x = 3,839.86

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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.