Home / 7,758.07-10,693.68-5,239.37

Finding the Fourth Proportional to 7,758.07, 10,693.68 and 5,239.37

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Solution

The fourth proportional to 7,758.07, 10,693.68 and 5,239.37 is: 7,221.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,758.07 : 10,693.68 = 5,239.37 : x
  2. Step 2: Convert to fraction form
    7,758.07/10,693.68 = 5,239.37/x
  3. Step 3: Cross multiply
    7,758.07x = 10,693.68 × 5,239.37
  4. Step 4: Simplify right side
    7,758.07x = 56,028,146.18
  5. Step 5: Solve for x
    x = 56,028,146.18/7,758.07
  6. Step 6: Final answer
    x = 7,221.92

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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.