Home / 6,715.79-10,073.67-1,785.43

Finding the Fourth Proportional to 6,715.79, 10,073.67 and 1,785.43

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Solution

The fourth proportional to 6,715.79, 10,073.67 and 1,785.43 is: 2,678.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,715.79 : 10,073.67 = 1,785.43 : x
  2. Step 2: Convert to fraction form
    6,715.79/10,073.67 = 1,785.43/x
  3. Step 3: Cross multiply
    6,715.79x = 10,073.67 × 1,785.43
  4. Step 4: Simplify right side
    6,715.79x = 17,985,782.26
  5. Step 5: Solve for x
    x = 17,985,782.26/6,715.79
  6. Step 6: Final answer
    x = 2,678.14

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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.