Home / 7,536.25-10,400.63-4,180.11

Finding the Fourth Proportional to 7,536.25, 10,400.63 and 4,180.11

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Solution

The fourth proportional to 7,536.25, 10,400.63 and 4,180.11 is: 5,768.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,536.25 : 10,400.63 = 4,180.11 : x
  2. Step 2: Convert to fraction form
    7,536.25/10,400.63 = 4,180.11/x
  3. Step 3: Cross multiply
    7,536.25x = 10,400.63 × 4,180.11
  4. Step 4: Simplify right side
    7,536.25x = 43,475,777.47
  5. Step 5: Solve for x
    x = 43,475,777.47/7,536.25
  6. Step 6: Final answer
    x = 5,768.89

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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.