Home / 4,130.63-5,698.77-2,715.09

Finding the Fourth Proportional to 4,130.63, 5,698.77 and 2,715.09

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Solution

The fourth proportional to 4,130.63, 5,698.77 and 2,715.09 is: 3,745.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,130.63 : 5,698.77 = 2,715.09 : x
  2. Step 2: Convert to fraction form
    4,130.63/5,698.77 = 2,715.09/x
  3. Step 3: Cross multiply
    4,130.63x = 5,698.77 × 2,715.09
  4. Step 4: Simplify right side
    4,130.63x = 15,472,673.44
  5. Step 5: Solve for x
    x = 15,472,673.44/4,130.63
  6. Step 6: Final answer
    x = 3,745.84

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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.