Home / 6,515.25-8,995.49-4,160.58

Finding the Fourth Proportional to 6,515.25, 8,995.49 and 4,160.58

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Solution

The fourth proportional to 6,515.25, 8,995.49 and 4,160.58 is: 5,744.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,515.25 : 8,995.49 = 4,160.58 : x
  2. Step 2: Convert to fraction form
    6,515.25/8,995.49 = 4,160.58/x
  3. Step 3: Cross multiply
    6,515.25x = 8,995.49 × 4,160.58
  4. Step 4: Simplify right side
    6,515.25x = 37,426,455.78
  5. Step 5: Solve for x
    x = 37,426,455.78/6,515.25
  6. Step 6: Final answer
    x = 5,744.44

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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.