Home / 7,282.37-10,914.39-3,117.45

Finding the Fourth Proportional to 7,282.37, 10,914.39 and 3,117.45

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Solution

The fourth proportional to 7,282.37, 10,914.39 and 3,117.45 is: 4,672.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,282.37 : 10,914.39 = 3,117.45 : x
  2. Step 2: Convert to fraction form
    7,282.37/10,914.39 = 3,117.45/x
  3. Step 3: Cross multiply
    7,282.37x = 10,914.39 × 3,117.45
  4. Step 4: Simplify right side
    7,282.37x = 34,025,106.03
  5. Step 5: Solve for x
    x = 34,025,106.03/7,282.37
  6. Step 6: Final answer
    x = 4,672.26

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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.