Home / 6,987.24-10,480.80-2,827.19

Finding the Fourth Proportional to 6,987.24, 10,480.80 and 2,827.19

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Solution

The fourth proportional to 6,987.24, 10,480.80 and 2,827.19 is: 4,240.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,987.24 : 10,480.80 = 2,827.19 : x
  2. Step 2: Convert to fraction form
    6,987.24/10,480.80 = 2,827.19/x
  3. Step 3: Cross multiply
    6,987.24x = 10,480.80 × 2,827.19
  4. Step 4: Simplify right side
    6,987.24x = 29,631,160.55
  5. Step 5: Solve for x
    x = 29,631,160.55/6,987.24
  6. Step 6: Final answer
    x = 4,240.75

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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.