Home / 7,237.49-10,791.20-6,619.66

Finding the Fourth Proportional to 7,237.49, 10,791.20 and 6,619.66

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Solution

The fourth proportional to 7,237.49, 10,791.20 and 6,619.66 is: 9,870.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,237.49 : 10,791.20 = 6,619.66 : x
  2. Step 2: Convert to fraction form
    7,237.49/10,791.20 = 6,619.66/x
  3. Step 3: Cross multiply
    7,237.49x = 10,791.20 × 6,619.66
  4. Step 4: Simplify right side
    7,237.49x = 71,434,064.56
  5. Step 5: Solve for x
    x = 71,434,064.56/7,237.49
  6. Step 6: Final answer
    x = 9,870.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.