Home / 6,918.39-10,381.23-3,018.24

Finding the Fourth Proportional to 6,918.39, 10,381.23 and 3,018.24

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Solution

The fourth proportional to 6,918.39, 10,381.23 and 3,018.24 is: 4,528.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,918.39 : 10,381.23 = 3,018.24 : x
  2. Step 2: Convert to fraction form
    6,918.39/10,381.23 = 3,018.24/x
  3. Step 3: Cross multiply
    6,918.39x = 10,381.23 × 3,018.24
  4. Step 4: Simplify right side
    6,918.39x = 31,333,043.64
  5. Step 5: Solve for x
    x = 31,333,043.64/6,918.39
  6. Step 6: Final answer
    x = 4,528.95

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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.