Home / 7,982.55-11,004.51-5,617.35

Finding the Fourth Proportional to 7,982.55, 11,004.51 and 5,617.35

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Solution

The fourth proportional to 7,982.55, 11,004.51 and 5,617.35 is: 7,743.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,982.55 : 11,004.51 = 5,617.35 : x
  2. Step 2: Convert to fraction form
    7,982.55/11,004.51 = 5,617.35/x
  3. Step 3: Cross multiply
    7,982.55x = 11,004.51 × 5,617.35
  4. Step 4: Simplify right side
    7,982.55x = 61,816,184.25
  5. Step 5: Solve for x
    x = 61,816,184.25/7,982.55
  6. Step 6: Final answer
    x = 7,743.91

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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.