Home / 4,513.21-6,782.57-2,665.19

Finding the Fourth Proportional to 4,513.21, 6,782.57 and 2,665.19

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Solution

The fourth proportional to 4,513.21, 6,782.57 and 2,665.19 is: 4,005.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,513.21 : 6,782.57 = 2,665.19 : x
  2. Step 2: Convert to fraction form
    4,513.21/6,782.57 = 2,665.19/x
  3. Step 3: Cross multiply
    4,513.21x = 6,782.57 × 2,665.19
  4. Step 4: Simplify right side
    4,513.21x = 18,076,837.74
  5. Step 5: Solve for x
    x = 18,076,837.74/4,513.21
  6. Step 6: Final answer
    x = 4,005.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.